33results about How to "Avoid putting into use" patented technology

The invention relates to the field of battery accessory production, in particular to a battery top cover processing method. The method comprises the following steps 1) an anti-explosion valve is installed in an anti-explosion valve connector in a cover plate piece, the height difference between the upper surface of the anti-explosion valve and the upper surface of the cover plate piece is detected, and the anti-explosion valve is a qualified product if the height difference is within a preset range; 2) laser welding is performed on the qualified product obtained in the step 1 to obtain a semi-finished battery top cover, and semi-finished helium detection is performed on the semi-finished battery top cover to obtain a qualified semi-finished battery top cover. Three detection processes areset, so that the possibility that unqualified products are circulated and used is greatly reduced, and the use safety of the battery top cover is ensured; whether a product is qualified or not is detected by detecting the height difference before the explosion-proof valve is welded, so that unqualified products can be prevented from being put into use, and the production cost can be reduced.

The invention relates to a new energy electric vehicle motor and rear axle matching performance detecting device, which comprises a detection system and a rear axle fixture, wherein the rear axle fixture is arranged on a workbench; the rear axle fixture is composed of an axle package fixture and two axle tube fixtures, and the two axle tube fixtures are respectively located at the left side and the right side of the rear axle fixture; the axle package fixture structurally comprises a positioning base, the top surface of the positioning base is provided with a sliding slot along the length direction, a rotating shaft is fixed in the sliding slot through bearing pedestals at two ends, the circumferential surface of the front end of the rotating shaft is provided with a positive thread, the circumferential surface of the rear end of the rotating shaft is provided with a negative thread, threaded holes in a front sliding block and a rear sliding block are respectively meshed with the threads at the front and rear ends of the rotating shaft, and one end of the rotating shaft is connected with a handle; and the opposite surfaces of the front sliding block and the rear sliding block are provided with positioning slots respectively, each positioning slot is internally provided with a clamping block, and the clamping surface of each clamping block is an arc-shaped surface. The device can quickly detect the noise in operation of a motor and a rear axle, thereby avoiding products with loud noise from being put into use.

The invention discloses a device for detecting an oscillating quantity of an adjusting gear of a counter, belonging to an instrument detection device. The detecting device comprises a base plate, and at least a first support frame and a second support frame, wherein the at least two support frames are arranged on the base plate; the base plate is also provided with a counter fixed platform; the at least two support frames are respectively provided with a first dial indicator and a second dial indicator; the first dial indicator is transversely arranged on the first support frame while the second dial indicator is lengthways arranged on the second support frame; and the line from the side head of the second dial indicator to the base plate is contacted with the counter fixed platform. The device for detecting the oscillating quantity of the adjusting gear of the counter, provided by the invention, has a simple structure, can be used for detecting horizontal and vertical oscillating quantities of counters of various types at the same time by utilizing the detection principle of the dial indicator, is particularly suitable for detecting the horizontal and vertical oscillating quantities of gas meters, and is easy to popularize.

The invention discloses a drop aeration and anaerobic treatment integrated sewage treatment device. The drop aeration and anaerobic treatment integrated sewage treatment device comprises a reservoir, a sewage treatment unit and an acceptance pool, wherein a drop aeration ditch is arranged in the sewage treatment unit, a water inlet is formed between the reservoir and the sewage treatment unit and connected with a movable door, and a lever start and stop mechanism is connected onto the movable door; a solar panel and a blowing fan are arranged on the upper surface of the sewage treatment unit, and a water outlet and a sludge outlet are formed between the sewage treatment unit and the acceptance pool; the acceptance pool comprises a purified water collection tank and a sludge collection tank, and a collection port is formed in the sludge collection tank which is connected with the sludge outlet; a comparison tank is arranged in the purified water collection tank, a circulating pipe is connected onto the purified water collection tank, one end of the circulating pipe is connected with the sewage treatment unit, and a water suction pump is arranged on the circulating pipe. According to the drop aeration and anaerobic treatment integrated sewage treatment device, a drop aeration device is taken as a prototype, anaerobic reaction is added, a drop aeration and anaerobic treatment integrated effect is realized, and the cost and occupied space are saved greatly.

The invention discloses a system and a method for capturing and utilizing CO2 in low energy consumption by coupling new energy. The system comprises an electrolytic water reactor, a methanation reactor, a calcining / reducing reactor, an air reactor and a carbonation reactor, the calcining / reducing reactor, the air reactor and the carbonation reactor are circularly connected and used for capturing CO2 in flue gas in a low energy consumption manner, the electrolytic water reactor and the methanation reactor are sequentially connected, and the methanation reactor is connected with the calcining / reducing reactor and used for synthesizing methane. According to the system and the method, the CO2 is captured, utilized and coupled, the new energy electrolyzes water to prepare hydrogen, methanationof the CO2 by hydrogenation is achieved, zero-carbon emission of the system is achieved, and poly-generation of gases such as high-concentration CO2, CH4, O2, N2 and H2 is achieved.

The invention discloses an analysis device and method for determining the content of hydrogen sulfide and hydrogen phosphide. The device comprises a carrier gas device, a fuel gas device, a combustion-supporting gas device, a six-way valve, a flame photometric detector and a display, the carrier gas device is connected to the six-way valve through the first filter; the gas device is connected witha flame photometric detector through a third filter; the combustion-supporting gas device is divided into two paths of air pipelines to be connected to the flame photometric detector after passing through the second filter; the six-way valve is connected to the chromatographic column; wherein the chromatographic column is connected to the flame photometric detector, the flame photometric detectoris a double-photomultiplier detector, a sulfur optical filter and a phosphorus optical filter are respectively arranged at the outlet of the flame photometric detector, and response signals obtainedby detection are respectively connected with the first micro-current amplifier and the second micro-current amplifier and then transmitted to the display for spectrogram. According to the method, hydrogen sulfide and hydrogen phosphide in the mixed gas can be effectively separated, and the content of hydrogen sulfide and hydrogen phosphide is determined.

The invention discloses a brake caliper detection device comprising a gas distribution mechanism, a brake caliper clamping device and a displacement measuring device which is used for detecting the piston returning amount of a brake caliper. The gas distribution mechanism is used for conveying gas to the brake caliper. The brake caliper clamping device is used for fixing the brake caliper. According to the brake caliper detection device, the gas is conveyed to the brake caliper through the gas distribution mechanism, and the displacement amount in the pressure release process of the piston is detected through the displacement measuring device so that the brake caliper can be detected after completion of processing, use of the unqualified brake caliper can be avoided and the use safety of the brake caliper can be effectively enhanced.

The invention discloses an environmentally-friendly and efficient chemical waste gas purification treatment device in the field of mechanical processing. The device comprises an electrostatic dust removal part, a dust collection part, an exhaust gas inlet, an integrated purification tower, a water tank, an atomizing nozzle, a second gas conveying pipe and an exhaust gas purification tower. A mercury lamp is fixedly installed below a mercury lamp fixing bracket. The lower end of a cleaning plate support is provided with gas channels. A vapor adhesive layer is arranged at the upper part in the integrated purification tower. The upper end of the integrated purification tower is provided with an adsorption filter layer. The top of the integrated purification tower is provided with a pressure cabin. The top of the upper part of the exhaust gas purification tower is provided with an exhaust gas differentiation device. The integrated purification tower can orderly and specifically purify exhaust gas through the mercury lamp, the cleaning plate, a water conveying pipe and materials filling a honeycomb structure block, can purify various impurities, can improve the purification efficiency,can improve the purification quality, can prevent the use of multiple purification devices and is environmentally friendly and efficient.

The invention belongs to the technical field of lightning protection, and provides a mechanical self-destruction surge protection device. The surge protection device mainly comprises a self-destruction switch assembly, wherein the self-destruction switch assembly comprises a constant speed motor which is connected with a power supply input end and provided with a first gear; the first gear is engaged with a second gear; the second gear is engaged with a third gear; a fourth gear is coaxially arranged on the third gear, and horizontally engaged with a fifth gear; a moving electrode is arranged at the upper end of the circumference of the fifth gear, and contacted with the lower surface of a static electrode; the upper surface of the static electrode is contacted with a power supply output port; and a preferable transmission ratio structure can achieve a function of cutting off an output power supply when an age limit is reached, so that the power supply can only be input but not be output, and the surge protection device is forcefully scrapped. The surge protection device is simple in structure and high in cost performance, and well prevents waste and out-of-date products from being put into operation.

The invention relates to the technical field of image processing, in particular to a carton indentation quality detection method and system based on computer vision, and the method comprises the steps: obtaining a surface image of to-be-detected corrugated paper, and detecting an indentation center line of an indentation in the surface image, a Gaussian mixture model of gray distribution of each pixel point on the indentation center line in the vertical direction on the surface image is obtained, model parameters of the Gaussian mixture model are structural feature vectors of the corresponding pixel points, and uniformity is obtained according to the similarity between the structural feature vectors; and obtaining the anisotropy of each pixel point in the surface image according to the characteristic value of each pixel point, obtaining the carton damage degree of each pixel point, and obtaining the quality risk of the to-be-detected corrugated paper. According to the method, the carton damage degree and the tearing expansion risk of the indentation structure of the corrugated paper are sequentially detected through the image, so that the quality problem possibly occurring when the carton is folded along the indentation is accurately evaluated.

The invention belongs to the technical field of thunder prevention. The invention provides a self-destructive anti-thunder socket. The socket comprises a power input port and a power output port, wherein the power input port is orderly connected with a timing module, a comparison module, a central processor, an execution switch and the power output port. Therefore, the self-destructive anti-thunder socket has the function of monitoring the use duration of the anti-thunder socket, and when the use duration reaches a time value set by a system parameter, a disposable switch is started to cut off the output power to scrap the lightning arrester. The socket disclosed by the invention is simple in structure and high in cost performance, and can completely eradicate the use of a waste outdated product.

The invention relates to a sealing detection device for a movement diaphragm capsule of a diaphragm gas meter, and relates to the technical field of diaphragm gas meter production. The sealing detection device comprises a rack, and a bearing table used for placing a movement diaphragm capsule is erected on the rack. A driving air cylinder is erected on the portion, located on the upper side of the bearing table, of the rack, a ventilation box is arranged at one end of a piston rod of the driving air cylinder, a cavity is formed in the ventilation box, and an air inlet and an air outlet are formed in the ventilation box. A sealing performance detector is erected on the rack, guide pipes are arranged between the air inlet and the sealing performance detector and between the air outlet and the sealing performance detector, and the air inlet and the air outlet are communicated with the sealing performance detector through the guide pipes. The ventilation box is provided with a detection port, and the detection port is respectively communicated with the cavity and the movement diaphragm capsule. According to the application, a movement diaphragm capsule of which the sealing performance does not meet the requirement can be prevented from being put into use, the gas is prevented from leaking from the inside of the movement diaphragm capsule, and the life and property safety of people is protected.

The invention belongs to the technical field of lightning protection, and provides a mechanical self-destruction lightning protection box. The mechanical self-destruction lightning protection box mainly comprises a self-destruction switch assembly, wherein the self-destruction switch assembly comprises a constant-speed motor which is connected with the input end of a power supply and is provided with a gear I; the gear I is meshed with a gear II; the gear II is meshed with a gear III; a gear IV is coaxially arranged on the gear III; a gear V is meshed in the horizontal direction of the gear IV; a movable electrode is arranged at the circumferential upper end of the gear V; the movable electrode is in contact with the lower surface of a static electrode; and the upper surface of the static electrode is in contact with a power supply output port. Through adoption of an optimized transmission ratio structure, a function of switching off the power supply after reaching a life limit can be realized; the power supply is only input and cannot be output; and the lightning protection box is scraped forcibly. The mechanical self-destruction lightning protection box is simple in structure and high in cost performance, and the use of waste and overdue products is well avoided.

The invention relates to a power factor correction module verification method and device, a storage medium and electronic equipment. The qualification verification of a power factor correction module is realized when the load of an air conditioner suddenly changes. The method comprises the steps of simulating an air conditioner load sudden change scene according to a preset simulation mode; acquiring state parameters of a power factor correction module of the air conditioner in the air conditioner load sudden change scene; and carrying out qualification verification on the power factor correction module according to the state parameters so as to determine whether the power factor correction module is qualified or not. When the load of the air conditioner suddenly changes, the qualification verification is performed on the power factor correction module, so that the power factor correction module which can generate peak current or fluctuate bus voltage is prevented from being put into use when the load of the air conditioner suddenly changes, and the reliability of the power factor correction module of the air conditioner when the load of the air conditioner suddenly changes is improved.

The invention discloses a safe card signing method for an intelligent card database application system, which comprises the following steps: (1) reading intelligent card information and detecting a written mark in an intelligent card; (2) storing intelligent card original data into a database; (3) opening up a database transaction; (4) updating the database; (5) setting a written mark in the intelligent card; (6) updating the intelligent card; (7) changing an intelligent card original data state mark stored in the database into a processed mark; (8) submitting the database transaction; and (9) clearing the written mark in the intelligent card, and accomplishing the singing of the intelligent card. A database transaction processing mechanism is used to ensure that the processing state of the intelligent card original data stored in the database is consistent with the submission state of the transaction processing data in the database, and thus, intelligent cards storing dirty data are prevented from being used.

The invention relates to a method and device for determining a switching current threshold value of a power factor correction module, and solves the problem of abnormal control of the power factor correction module caused by mistaken switching on or switching off of the power factor correction module in the prior art. The method comprises the following steps: setting a switching current threshold value of a power factor correction module; performing switching verification on the power factor correction module according to the switching current threshold value to determine whether the switching current threshold value meets a preset current margin condition or not; and when the current margin condition is not met, adjusting the switching current threshold value of the power factor correction module until the adjusted switching current threshold value meets the current margin condition. The switching current threshold value of the power factor correction module is adjusted, so that the situation that the bus voltage of the air conditioner is too low and the air conditioner cannot work normally due to the fact that the difference between the mistakenly-turned-on current threshold value and the mistakenly-turned-off current threshold value of the power factor correction module is large is avoided; and the power factor correction module which may be in a mistaken switching-on state or a mistaken switching-off state is prevented from being put into use.

The invention relates to the technical field of rail transit, and discloses a wheel set bearing fault diagnosis device and method, and the device comprises a first supporting assembly, a loading assembly, a driving assembly, a detection module, a control module, and a data processing module. The first supporting assembly is used for supporting a to-be-tested wheel set, the loading assembly is used for loading a wheel set bearing of the to-be-tested wheel set, and the driving assembly is used for driving the accompanying wheel set to rotate so as to drive the to-be-tested wheel set to rotate. The detection module is used for measuring vibration information of the wheel set bearing, and the control module can control the driving assembly to drive the accompanying wheel set to rotate and control the loading assembly to load the wheel set bearing. And the data processing module can judge the fault condition of the wheel set to be detected according to the vibration information detected by the detection module. According to the invention, the fault condition of the wheel set bearing can be rapidly measured without dismounting the wheel set bearing, and the diagnosis efficiency is high. And the diagnosis accuracy of the wheel set bearing can be ensured, a fault wheel set is prevented from being put into use, and the driving safety of a truck is improved.

The invention discloses a surge protector with an overdue warning function, wherein: a main control module, a controllable switch connected to the main control module, an electrical information collection module, a communication module, timing module and sound and light warning module; the input and output terminals of the controllable switch are connected in series between the power input interface and the power output interface of the surge protector; the electrical information collection module is also connected with the power input interface Connect, collect voltage / current information and transmit it to the main control module; the timing module is preset with the use time of the surge protector, and when the surge protector is packaged before leaving the factory, the timing module is triggered to enter the countdown. When the service life of the surge protector of the present invention is reached, it can perform an irreversible circuit-breaking operation, which eliminates the phenomenon of delaying the use of scrapped surge protectors, and can also feed back relevant information to the background management service system in real time for effective Supervision.

The invention relates to an automatic commutation device detection device and method based on a PWM converter, and belongs to the technical field of device detection. The detection device comprises the PWM converter, a field controller, a wireless handheld terminal and a three-phase symmetrical load. The field controller comprises a converter control module, a data analysis module, a phase selector receiving module, a control chip and a first radio frequency signal transceiving module, and the wireless hand-held terminal comprises a microprocessor, a touch liquid crystal display screen, a second radio frequency signal transmit-receive module and other structures. According to the automatic commutation device detection device and method based on the PWM converter, a detection way for the performance of a current low-voltage automatic phase-change device is provided, the situation that the current low-voltage automatic phase-change device is put in use on the premise that the performanceof the low-voltage automatic phase-change device is unknown is avoided, and further the loss caused by cutting off the power supply of the users after the device is used for the on-site test and maintenance is avoided, and the potential safety operation hidden dangers are avoided.

The invention relates to the technical field of fracturing ball injectors, and discloses an oil well fracturing ball injector. The oil well fracturing ball injector comprises a box body, a ball injection pipe fixedly communicates with the interior of the box body, a ball injection channel is formed inside the ball injection pipe, the side face of the ball injection pipe is movably sleeved with a check block, a first installing frame is fixedly connected to the side face of the ball injection pipe, and a first telescopic rod is fixedly connected to the inner side face of the first installing frame. According to the oil well fracturing ball injector, a communicating sleeve fixedly communicates with the side face of a ball injecting pipe, a discharging hole and a selecting hole are formed in the bottom face of the communicating sleeve, a second telescopic rod on the digging side of a box body is connected into the communicating sleeve in a sleeve mode, a magnetic suction head on the end face of the communicating sleeve is utilized, the magnetic suction head is powered off and loses magnetism, when blocking balls with a proper diameter are selected, the unsuitable blocking balls are attracted and pulled to the discharging hole to be released in a power-off mode after being powered on, the selection effect of the blocking balls is improved, the blocking balls can adapt to pipelines conveniently, and the using effect is good.

The invention provides a substrate grinding device, which includes: a grinding table, which is provided with a grinding layer; and a fixing mechanism for fixing the substrate to be ground, and the fixing mechanism can move along the surface of the grinding layer. Relative movement occurs with the grinding layer, so that the surface of the substrate fixed by the fixing mechanism and the grinding layer rub against each other; a pressure adjustment mechanism is used to adjust the surface of the substrate fixed by the fixing mechanism and the grinding layer. pressure between layers. Correspondingly, the present invention also provides a substrate cleaning device. The invention can reduce scratches on the substrate during the cleaning process and save manpower.

The invention discloses a defect recognizing and sorting system for a straight line welding pipe, and the defect recognizing and sorting system is used for recognizing defects on the straight line welding pipe and cutting away and sorting the pipe. The system comprises a control module, a recognition module, a marking module and an executing module. According to the defect recognizing and sortingsystem for the straight line welding pipe, through mutual cooperation of the control module, the recognition module, the marking module and the executing module, welding defects generated in the welding process can be effectively recognized, pipe bodies with the defects can be cut away and sorted out, input usage of the welding pipe with defects is avoided, and potential safety hazards are thoroughly eradicated.

The invention provides a technological procedure risk evaluation method based on a FRAM (failure rate assessment machine). The evaluation method includes the steps: S1 performing modeling for technological procedures by the aid of the FRAM: determining active sub-modules of the technological procedures, performing variation and coupling analysis of variation for the active sub-modules, and performing modeling according to analysis results; S2 building the technological procedure risk evaluation method based on the FRAM: identifying hidden paths (technological activity variation coupling modes) generating unexpected events in the technological process and key activities in the paths, and further identifying related defects of the technological procedures; S3 providing an improved scheme of the technological procedures from restraining or eliminating of variation of the key activities in the paths based on eliminating of generating paths, and performing validation verification. According to the method, modeling of the technological procedures can be achieved, risks are evaluated based on a model, the improved scheme of the technological procedures is acquired according to evaluation results, and the technological procedures are improved.

The invention belongs to the field of lightning protection technologies and provides a mechanical self-destruction lightning protection socket, which mainly comprises a self-destruction switch assembly, wherein the self-destruction switch assembly comprises a constant speed motor connected to the power input end and provided with a gear I; the gear I is engaged with a gear II; the gear II is engaged with a gear III; a gear IV is coaxially arranged on the gear III, the gear IV is engaged with a gear V in a horizontal direction, a moving electrode is arranged on the upper end of the circumference of the gear V, and the moving electrode is in contact with the lower surface of a static electrode; the upper surface of the static electrode is in contact with a power output port. Through an optimized transmission ratio structure, a function of cutting off an output power supply after reaching the age limit is implemented, so that the power supply is only input, and thus the lightning protection socket is forced to scrap. The mechanical self-destruction lightning protection socket has the advantages of simple structure, high performance cost ratio and capability of perfectly avoiding old and outdated products from coming into use.

The invention discloses a device for detecting the sealing performance of a water containing bucket of clothes processing equipment. The device comprises a plugging mechanism for plugging an opening of the water containing bucket, an air nozzle used for supplying air into the water containing bucket or sucking the air in the water containing bucket, and an air pressure detector used for detectingair pressure in the water containing bucket. According to the device, the sealing performance of the water containing bucket of the clothes processing equipment is detected, the water containing bucket of the clothes processing equipment with unqualified sealing performance is prevented from being put into use, water leakage of the water containing bucket of the clothes processing equipment in theusing process is avoided, and the user experience is improved.

The invention provides a railway wagon accessory maintenance information system. The system comprises six modules of a swing bolster maintenance module, a side frame maintenance module, a brake beam maintenance module, a cross rod maintenance module, an accessory information module and a normal position detection mdule. Each of the swing bolster maintenance module, the side frame maintenance module, the brake beam maintenance module and the cross rod maintenance module comprises a decomposition inspection module, a flaw detection module and a self-inspection module, the accessory information comprises five modules including a process tracking module, a list printing module, a maintenance record card module, a maintenance standing book module and a supervision sampling module, and the normal position detection module comprises a list query module. Transparency of production management is achieved, the production cost is greatly reduced, production task accumulation and production waiting are eliminated, the production efficiency is improved, and expired accessories are prevented from being put into use; and secondly, according to the bogie overhaul serial number, corresponding bogiefour-piece assembly information and overhaul conditions of four-piece accessories in all procedures are automatically brought out, it is ensured that a goods overhaul large assembly line is balancedand orderly, and a guarantee is provided for time-based production.