987results about How to "Easy and quick pass" patented technology

The invention relates to a construction method of a V-level surrounding rock tunnel, comprising the following steps: (1) making a drill guiding I-beam steel lagging jack, i.e. mounting an I-beam steel lagging jack, a groove steel trimming beam, a lock pin anchor rod, a guiding steel pipe, a longitudinal connection steel rib and face injecting concrete in sequence; and (2) construction and support in the tunnel, i.e. drilling pipe shelter steel pipe holes, mounting pipe shelter steel pipes, filling slurry inwards. The earthwork construction of a pilot tunnel comprises earthwork construction, primary support, injecting concrete on a pilot tunnel wall, suspending steel bar nets, casting concrete basis, mounting I-beam steel lagging jack, groove steel trimming beam, steel pads, I-shaped steel inclined strut and lock pin anchor rods, welding longitudinal connection steel bar, injecting concrete on the face and removing core soils; mounting a first-level step temporary inverted arch comprises: constructing lower-level earthwork, performing primary support in the pivot tunnel, mounting the second-level step temporary inverted arch, constructing the following level of earthwork, performing primary support, casting and filling inverted arch, and casting lining concrete at a time inside the pivot tunnel. The invention has the advantage of rapid penetration speed and safe construction.

The invention discloses a super-hydrophobic and super-oleophylic oil-water separating mesh membrane and a preparation method thereof. The method comprises the following steps of: (1), cleaning a fabric mesh and drying the cleaned fabric mesh; (2), dissolving dopamine hydrochloride and trihytdroxy methyl-aminomethane to water to acquire a mixed solution, wherein the pH value of the mixed solution is 8.0-12.0; (3), soaking the dried fabric mesh in the mixed solution, and then getting out the soaked fabric mesh for drying; (4), dissolving mercaptan compound and sodium hydroxide in water to acquire mixed turbid liquid; (5), soaking the fabric mesh acquired in the step (3) in the mixed turbid liquid, reacting the mixture to acquire the oil-water separating mesh membrane. The oil-water separating mesh membrane disclosed by the invention has high bearing pressure to water so that oil can quickly pass, a separating effect is good, the speed is high, and the separating effect on normal hexane, petroleum ether, benzene, gasoline, diesel oil, animal and vegetable oil, crude oil and the like is good. The oil-water separating mesh membrane is non-toxic and harmless, environment-friendly, easy to clean and keep, can be reusable, and has good stability.

The invention discloses a vehicle management method and management system for an electronic toll collection lane, wherein the method comprises the following steps: detecting the on-board unit information of vehicles to be detected by a road-side unit, arranging a queue for the vehicles to be detected corresponding to the detected on-board unit information, and storing the parameter information of each vehicle to be detected in queue terms; detecting the vehicles to be detected by an auxiliary vehicle detector and a license plate recognition system, and updating the queue according to the parameter information of the vehicles to be detected; and managing the vehicles corresponding to the queue terms in the queue according to the parameter information of the vehicles in the queue.The invention can increase the passing speed of the ETC lane.

The invention discloses a lithium supplement composite diaphragm, a preparation method and application, and belongs to the technical field of a lithium secondary battery. According to the lithium supplement composite diaphragm, a ceramic layer and a ceramic-lithium supplement layer are arranged at two sides of a base diaphragm; on the one hand, the temperature resistance of the diaphragm is improved, the heat shrinkable property of the diaphragm is improved, and the occurrence of short circuit accidents is reduced; and on the other hand, the Lithium ions consumed in the charge / discharge process can be timely supplemented, the ion transport speed is improved, and the structure stability in the circulation process of the lithium battery is improved. According to the lithium supplement composite diaphragm, the preparation method and the application, the lithium supplement layer is arranged on the surface of the ceramic layer, potential safety hazards resulting from micropore blocking due to the fact that metal lithium powder directly contacts the base diaphragm can be avoided, moreover, the ceramic layer plays a role in buffering and heat dissipation, and the security of the lithium powder in the use process is improved. Netty current collectors are employed in the lithium battery, and the lithium ions can pass through an anode sheet and a cathode pole rapidly, and a high speed channel is provided to supplement the lithium ions timely.

The invention relates to a technology for detecting and processing isolated stone groups in the shield excavation karren section, in particular to a method for processing isolated stone groups in the shield excavation karren section, aiming to solve the problems that the isolated stone groups can not be detected accurately and processed rapidly by using the traditional method. The method comprises the following steps: finding out the section probably having the isolated stone groups according to a geological survey report; arranging testing holes along the longitudinal direction of a tunnel in the section having the isolated stone groups, putting PVC (polyvinyl chloride) pipes in the testing holes, disposing dense small holes on the walls of the PVC pipes, sealing the bottom ends of the PVC pipes, filling the testing holes with water, arranging electrodes in the PVC pipes in the adjacent two holes, detecting by crossing holes and collecting data by using a high-density resistivity instrument, and determining the position of the isolated stone; optimizing a blasting design, positioning blasting charges accurately by using a counter weight, blasting the holes at the periphery of the isolated stone first to squeeze to generate a space, and then blasting the holes row by row. The method is used for detecting the isolate stone accurately, adopts a simple process, uses the blasting technology to ensure that the biggest blasted isolated stone is less than 25cm, avoids the secondary blasting and has high isolated stone processing efficiency.

The invention provides a hybrid drive system with a hydraulic torque converter, which comprises a motor, the hydraulic torque converter, a planetary row, a planetary carrier clutch, a planetary carrier brake and a drive motor, wherein the motor comprises a crank; the crank is connected with a pump wheel of the pump wheel clutch, a worm wheel of the hydraulic torque converter is connected with the pump wheel through a lockup clutch of the hydraulic torque converter; a sun wheel of the planetary row is connected with the worm wheel; a planetary carrier of the planetary row is connected with a gear ring of the planetary row through the planetary carrier clutch; the planetary carrier brake is arranged to be used for braking the planetary carrier; and a rotor shaft of the drive motor is connected with the gear ring. The hybrid drive system provides a larger output torque when a vehicle is started for accelerating or climbing, reduces the requirement on a drive motor system and an electrical storage device, and meets the requirement on high dynamic property of a heavy vehicle.

The invention relates to a road traffic vehicle speed induction method. The method is mainly and technically characterized in that an intersection information releasing module releases intersection information in real time; an intersection information obtaining module receives the intersection information in real time and transmits the intersection information to a core processing module; a vehicle positioning module obtains the speed and the position of a vehicle in real time and transmits the speed and the position to the core processing module; according to the intersection information and the vehicle position and the vehicle speed of the vehicle, the core processing module calculates the speed of the vehicle passing an intersection in a green light period, and the speed of the vehicle is induced. The method is reasonable in design, it is guaranteed that the vehicle reaches the intersection in the traffic signal green light period and quickly passes the intersection, it is avoided that the vehicle parks at the intersection during a red light period, average speed of the vehicle passing the intersection is greatly increased, more vehicles can pass in the limited green light time, and the go-through efficiency of the whole traffic intersection is effectively improved.

A passive RFID-based electronic seal having a lower body and an upper body, includes an upper, a central and a lower sleeve, two antennas, an RFID Chip, two sockets. When the first antenna of the upper body is inserted through a seal sleeve of the central sleeve of the lower body, a pawl suitably is placed at a middle of the first antenna gets stuck inside a pawl ring of the central sleeve of the lower body when passing through it and thus activates and completes the passive RFID-based electronic seal.

Disclosed herein is a digital opening and closing device for an entrance. The device includes: a housing which includes an outer casing and an inner casing with a door interposed between the inner and outer casings; a password input unit which is provided on the outer casing; a door opening and closing unit which is installed in the housing and conducts the operation of opening or closing the door; a control unit which compares a password input to the password input unit with a preset reference password and controls the door opening and closing unit; an opening button which is provided on the inner casing and is used in automatically opening the door; a manual opening button which prevents the door from being automatically locked when the door is closed; and a power supply supplying drive power to the elements.

The invention relates to a no-card no-parking integrated highway tolling system and method, and the system is compatible with a conventional highway tolling system. Only a server and a client are added to the system, and a high-definition camera and a license plate recognition module are added to a road segment. Moreover, there is no need to replace a conventional system. The system can achieve the real no-parking tolling and quick passing of all vehicles, including a lorry. The system has no card and no OBU vehicle-mounted unit, and there is no need to carry out bigger reconstruction for a conventional lane, including an MTC and an ETC, thereby reducing the operation cost for an enterprise, and reducing the labor intensity of a toll collector. A vehicle which has not paid the last toll only can enter a highway after the toll is paid, thereby reducing the loss of toll. A payment mode is convenient, and a driver can carry out payment through a fixed account and also can change the payment account at any time. The system achieves the specific application of Internet + for the highway.

The invention relates to a system and method for dispatching and distributing peak traffic hour route resources based on application in advance. The system comprises a digital road net module, a route application module, a parking management module, a central processing module, a route distribution module and a route verification module. The method of the system for dispatching and distributing peak traffic hour route resources based on application in advance comprises the following steps: firstly, a digital road net module is established; next, a user submits a route resource occupying request within 100 days before peak traffic hours or in the peak traffic hours based on the basic load of each road section; the traveling status of a vehicle going to occupy the peak traffic hour route resources is simulated and dispatched according to the submitted route resource occupying request, and then distributed time of going into the road network, a distributed place of going into the road network, a distributed traveling route, a distributed traveling speed and a distributed parking lot are determined; the user drives and parks on the road according to the distributed route resource dispatching and distribution scheme, and finally, the driving and parking conditions of the user are verified.

The invention discloses a laser radar-based transmission line refinement inspection flight platform comprising an aircraft, a three-dimensional laser ranging module, a ground control terminal and a cloud server. During the inspection, a camera module obtains the position of the plane where the transmission line is located, the three-dimensional laser ranging module aligns the transmission line toemit a laser signal and receives the signal reflected back by the line at the same time; the camera module shoots the periphery of the aircraft, constructs a three-dimensional real-time image on the ground control terminal according to the captured image, and establishes a three-dimensional point cloud map at the ground control terminal according to the signal reflected back by the laser; and theground control terminal determines whether there is an obstacle and whether the distance between the obstacle and the line exceeds a preset safety distance based on the three-dimensional real-time image and the three-dimensional point cloud map, and adjusts the flight attitude of the aircraft to enable the aircraft to maintain a fixed distance and fly autonomously along the transmission line. Thelaser radar-based transmission line refinement inspection flight platform has the advantages of low cost, intelligent operation, high efficiency and safety for operation and maintenance personnel of the power grid.

The invention discloses an engine radiating mechanism for unmanned aerial vehicles and belongs to the technical field of heat dissipation for engines of unmanned aerial vehicles. The engine radiating mechanism for unmanned aerial vehicles comprises an enclosure structure, an engine and a fan; the fan and the engine are disposed within the enclosure structure; the engine is connected with the fan. The engine radiating mechanism for unmanned aerial vehicles is capable of radiating for the engine, radiating efficiency is high, and safety of the engine is guaranteed.

Provided is a deformable wheel. Spokes can extend or contract in the radial direction, and a cam in a hub controls a hydraulic loop of the spokes. When the spokes rotate to be close to the vertical line of the surface of a vehicle frame by a certain angle, the hydraulic loop of the spokes is closed by the cam, and the spokes can bear weights; when the spokes rotate away from the vertical line of the surface of the vehicle frame by a certain angle, the hydraulic loop of the spokes is opened by the cam. The shape of the wheel changes along with the change of the shape of pavement, and therefore the wheel can cross over various barriers. Due to the fact that the angle of the cam can be adjusted, the height of the axis can be adjusted, and a vehicle body can be kept stable on an inclined pavement or a curve. Due to the fact that the pressure of liquid in the hub can be adjusted, proper pre-pressure can be adjusted and applied to a flexible pavement, and a vehicle with the wheels can run quickly and accurately on various rugged pavements.

The invention discloses a cooperative control method of a left-opened-door bus special phase setting and social traffic flow, which comprises the following steps: setting a bus station and a stereo facility which help pedestrians to cross a street; detecting a bus; determining the running time of the bus; determining a signal phase of the bus which drives through an intersection; and setting the bus special phase and a cooperative control plan. According to the invention, the bus stations in two directions are combined and placed at a median strip of the intersection, so that not only the land is saved, but also the bus station points are easier to recognize, and meanwhile, a new concept for planning and constructing of a public transit network is provided, that is, the public transit network is connected based on the bus stations arranged at intersections. With the adoption of the method, the situation that the bus does not stop at an intersection without a bus station while stops at an intersection with a bus station can be basically realized, so that passengers waiting for a long time at an intersection with a bus station can be avoided, thereby shortening the whole driving time of the bus and improving the whole operation efficiency of the bus system. Moreover, the method is functioned as the cooperation of the social traffic flow, so that the passing efficiency of the whole intersections is guaranteed.

Apparatus, systems and methods are described for preconcentrators, chemical sensing systems and gas chromatographs. A preconcentrator is described that comprises a hollow enclosure containing a sorbent material. The enclosure may be a capillary tube that can be formed in to a desired shape and that may be heated. Heating may be accomplished by passing an electrical current through the capillary or other hollow enclosure form. The sorbent material can be a liquid, a solid, a porous ceramic material and / or a chemiselective polymer. The sorbent material can be coated to the inner wall of the enclosure. The hollow enclosure may be maintained in an insulated chamber. The preconcentrator acts to concentrate a vapor passed through the preconcentrator to a chemical sensing array that can detect chemicals present in the vapor. A gas passed through the hollow enclosure can provide a chemically concentrated input to a chromatographic column.

The invention relates to a rock burst prevention method for deep tunnel excavation by adopting a TBM (Tunnel Boring Machine), aiming to solve the technical problem on lowering or eliminating the rock burst danger of the TBM in a strong-rock-burst tunnel section in an excavation process, improving the equipment utilization rate of the TBM and accelerating a construction schedule by means of pretreating a wall rock for the TBM to excavate. The rock burst prevention method for the deep tunnel excavation by adopting the TBM adopts the technical scheme comprising the following steps of: (a) excavating a pilot tunnel with the size smaller than the excavation contour line of the TBM in the strong-rock-burst tunnel section through which the TBM needs to pass for excavation by adopting a drilling and blasting method and monitoring microseisms before the TBM enters the potential strong-rock-burst tunnel section; and (b) releasing the stress of a strong-rock-burst part in the excavation process of the pilot tunnel and a part with potential rock-burst danger shown by microseismic monitoring. The invention is mainly used for deep hydraulic tunnels and deep traffic tunnels with high rock burst danger.

The invention discloses a method and a system for limiting speed of a token bucket based on priority. The method comprises the following steps of: configuring speed limiting parameters of a message according to the attribute of the message, wherein the speed limiting parameters comprise a speed limiting value and gradually decreased depths of token buckets at different stages, and ensuring that the token number in the token bucket at the highest stage is greater than or equal to sum of the token numbers in the token buckets at the rest stages of the token buckets; calculating the token number to be added after receiving the message; limiting the speed of the current message by using the token bucket at the highest stage when determining that priority speed limiting is not needed; limiting the speed of the current message by using the token bucket corresponding to the number of stages of the current message for the messages with the same priority number of the message as the speed limiting stage number when determining that priority speed limiting is needed; and limiting the speed of the current message for the messages with different priority stage of the message from the speed limiting stage number by using the token bucket at the highest stage. Through the method and the system, different messages have different discard probabilities under the condition of the same speed limiting condition, and the service quality of a network is improved.

The invention relates to a control system for automatically accomplishing bus priority according to traffic stream change, which comprises a vehicle detecting subsystem, a traffic data predicting subsystem, a vehicle signal processing subsystem, a traffic signal control subsystem and a communication subsystem, wherein the vehicle detecting subsystem is used for detecting the traffic conditions on a common traffic lane and a lane special for the buses within a period of time through corresponding detecting equipment, and counting the numbers of vehicles passing by; the traffic data predicting subsystem is used for predicting the traffic flow data in a next period of time by utilizing the flow data of the current period of time; the vehicle signal processing subsystem is used for generating a specific bus signal priority control policy and a signal timing scheme; the traffic signal control subsystem is used for controlling various signal lights of a crossing according to the control policy; and the communication subsystem is used for transmitting detecting signals to the traffic data predicting subsystem. The control system can effectively relieve the conflicts between the bus priority and common social vehicles and pedestrian pass.

The invention discloses an air positive electrode constructed by conductive gel particles and a lithium air battery. The air positive electrode is characterized by being of a full-solid structure and comprising particles with arbitrary shapes, wherein the particles are prepared from conductive gel, gaps are formed among the particles, electrons and ions can be simultaneously conducted by conductive gel, and the size range of the particle sizes of the particles is 10-500 microns; the particles are stacked to form a laminated structure, and the thickness of the laminated structure is 50 microns to 5 millimeters. A battery cell of the lithium air battery is of a multi-layer winding type structure or a multi-layer laminating type structure and is formed by winding and laminating a plurality of repetitive units, and each repetitive unit comprises the air positive electrode. A rapid gas dispersion channel is formed in the air positive electrode and can be prepared to be relatively thick, so that the problem that oxygen is difficult to diffuse is effectively solved, and the air positive electrode can be truly input into actual application.

The invention discloses a multi-emergency vehicle signal priority control device at a single-point signalized crossing, relates to a single-point traffic signal control device at a crossing for controlling traffic signals and aims to solve the problem that the conventional signal priority control system is in chaos under the condition that emergency vehicles from different entrance directions need to pass through the crossing at the same time interval. The device comprises a plurality of phase intelligent agents, multiple groups of signal lamps and a plurality of vehicle detectors, wherein each phase intelligent agent corresponds to a group of signal lamps to control phase sequence and duration of alternative change of turn-on and turn-off of each signal lamp; each vehicle detector is used for detecting an emergency priority signal and transmitting the signal to the phase intelligent agent of a corresponding traffic flow access road; the device also comprises a management intelligent agent which interacts information with each phase intelligent agent; and when different vehicle detectors simultaneously detect the vehicles with the emergency priority, an optimal phase sequence among the phase intelligent agents is made and the sequence result is transmitted to each phase intelligent agent.

The invention relates to an all-round highway vehicle detection system, which comprises a plurality of information acquisition modules, a communication module and a central platform, wherein the plurality of information acquisition modules are used for acquiring information of vehicle on each lane of the highway, judging whether vehicle violation happens and generating a violation evidence; the communication module is used for transmitting the violation evidence generated by the information acquisition modules to the central platform; and the central platform is used for storing the violation evidence generated by the information acquisition modules, carrying out data analysis and processing and providing a user query and reading function. By adopting the all-round highway vehicle detection system provided by the invention, functions of small vehicle lane occupancy capture for a large vehicle, illegal vehicle capture for emergency lane occupancy, over speed vehicle capture, low-speed vehicle capture, interval speed measurement, high-definition image tampering prevention, vehicle feature recognition, high-definition video recording, automatic device state detection, automatic anomaly diagnosis and recovery, device power safety and lightning protection, theft prevention and alarming.

The invention discloses a community parking management system. The community parking management system uses a parking management and service cloud platform to store property owner information, uses a client terminal to transmit characteristic information of the current property owner, uses a local parking lot management system to compare the property owner characteristic information which is just received and an identified license plate number of a current vehicle with the property owner information stored in the parking management and service cloud platform; if a vehicle permission is successfully verified, a road barrier is lifted, and, if the vehicle permission is not verified successfully, the community parking management system determines whether the license plate number of the current vehicle has passed passing authorization of the property owner; if the fact that the license plate number of the current vehicle has passed the passing authorization of the property owner, the road barrier is lifted, and, if the fact that the license plate number of the current vehicle fails to pass the passing authorization of the property owner, the road barrier is put down. The community parking management system can automatically charge passing vehicles so as to realize community parking lot unmanned management, realizes the fact that vehicles can pass fast, solves a cheating problem brought by cash payment, overcomes a defect that abnormal barrier lifting operated by hands causes loss of parking fees, and the like.

The invention discloses a magnetorheological fluid multi-stage treatment device and a control method and component manufacturing method thereof and belongs to the technical field of machine manufacturing. The magnetorheological fluid multi-stage treatment device comprises a preposition piston cylinder, a middle piston cylinder, a postposition piston cylinder, a preposition piston, a middle piston, a postposition piston, a preposition filtering box, a middle filtering box, a postposition filtering box, a preposition filtering mesh, a middle filtering mesh and a postposition filtering mesh. The preposition piston cylinder is connected with the preposition piston through a bolt, the preposition bolt is matched with an inner cavity of the preposition filtering box, the preposition filtering box is vertically arranged, and the axis is in the vertical direction; meanwhile, the invention further provides corresponding control method and a key component manufacturing method of the device. According to the magnetorheological fluid multi-stage treatment device and the control method and component manufacturing method thereof, a two-standing three-filtering mode is adopted to filter mixed liquid, the characteristic of the mixed liquid at each stage is fully utilized, and the purpose of fast and thoroughly separating magnetic substances and solvent is finally achieved.

The invention provides a speed control system and method for a driverless vehicle passing through intersections. The speed control system comprises three sub-systems, that is, an automobile AVCS, a road information acquisition system and an intersection area control center system. The control and data transmission among the three sub-systems are connected and processed by a wireless computer. Thespeed control system and method realize the information interaction between the driverless vehicle and a vehicle and between the vehicle and a road, the factors of road surface texture, a vehicle running state, a road surface weather environment and a road intersection shape are considered, and the running speed of the driverless vehicle passing through the intersections on a dry road surface is measured and controlled, and at the same time, the driving behavior between vehicles in the intersection areas with large traffic flow is early warned. The speed control system can rapidly process thesafe driving behavior of urban road intersections, and can make real-time decision on the driving strategy of the intersections according to the changing state of road alignment to ensure the safety of vehicles in the process of passing through the road intersections.

The invention relates to a high-precision moment output control method for a control moment gyro group. The method comprises the following steps: (1) firstly, establishing a kinetic model of the control moment gyro group; (2) constructing a singularity avoidant manipulation rule algorithm and determining distance threshold values d1 and d2 of the control moment gyro group approaching to a singular area; (3) judging singularity of the kinetic model of the control moment gyro group and calculating a singularity metric value D of the control moment gyro group; if D is larger than d1, a paseudo-inverse manipulation rule algorithm is directly used as the manipulation rule of the control moment gyro group, if D is larger than d2 and smaller than d1, decreasing the accommodation amplitude of a parameter lambda, and if D is larger than 0 and smaller than d2, increasing the accommodation amplitude of the parameter lambda; (4) calculating framework angular speed values of each control moment gyro of the control moment gyro group; (5) integrating framework angular speed and calculating to obtain a framework angle position input to the step (1) for circular calculations and driving the control moment gyro group to output a moment to a satellite according to the framework angular speed values.

The invention discloses parking charging and payment systems and parking charging and payment methods thereof. A background server prestores vehicle information and generates a related payment account, a first identification module identifies the vehicle information at an entrance and sends identification information to the background server, the background server performs correct matching verification and records vehicle entry time, a second identification module identifies the vehicle information at an exit and sends identification information to the background server, and the background server performs correct matching verification and records vehicle exit time, thus vehicle parking time is calculated, parking fare is calculated according to the rate, and the related fare is removed from the payment account related to the vehicle information. Charging and payment when the vehicle enters and exits from a parking lot are completed via the systems automatically, and vehicle entry and exit efficiency is improved; the vehicle information is prestored in the background server, identification and matching accuracy is high, and disordered vehicle management cannot be caused.

The invention provides a detachable type emergency bridge made of a composite material. The emergency bridge is of a wheel rut structure, and is formed by splicing a plurality of bridge segments, wherein each bridge segment is of the structure of a multi-cavity box beam, and is made from a resin matrix composite, particularly an epoxy resin matrix hybrid fiber reinforced composite material; each bridge segment comprises an upper faceplate, a lower faceplate and a plurality of intermediate webs, intermediate layers of the upper faceplate and the lower faceplate are made from + / -45DEG E-glass fiber, one 90DEG E-glass fiber layer is arranged at each of both the upper side and the lower side of each intermediate layer, and a 0DEG carbon fiber layer is arranged at the outer side of each 90DEG E-glass fiber layer; and the webs employ a composite material layer made from + / -45DEG E-glass fiber. According to the invention, main bodies of a bridge body are made from the composite materials, and are assembled to form a whole through metal connectors, so that the bridge body is light in weight, and convenient and quick to assemble, and can be manually assembled and disassembled quickly.

A passive RFID-based electronic seal having a lower body and an upper body, includes an upper, a central and a lower sleeve, two antennas, an RFID Chip, two sockets. When the first antenna of the upper body is inserted through a seal sleeve of the central sleeve of the lower body, a pawl suitably is placed at a middle of the first antenna gets stuck inside a pawl ring of the central sleeve of the lower body when passing through it and thus activates and completes the passive RFID-based electronic seal.

The invention discloses an on-line detection system and method of trace dissolved gas in organic oil, characterized in that: a polymer degassing film with short oil-gas balance time is used, thus the structure is simple, and degasification speed is fast; the trace dissolved gas in organic oil is separated through the dual column chromatography, thus the number of channels of traditional chromatograph is simplified; the unique twelve-way valve structure is used, and double chromatographic columns are arranged, thus the system works respectively alternately in states of reflux and sample injection, and the problem of difficult separation of O2 and CO gas existing in the traditional chromatographic system is effectively solved; a trace flammable gas detection sensor produced by using a solidoxide fuel cell technique can simultaneously detect 7 kinds of dissolved gases in organic oil with high detection accuracy and good separating degree of different component gases, and the number of gas sensor in the system is reduced. According to the invention, an oil-gas separation, a gas separation detection unit and a control unit are combined together, thus the volume of the system device isreduced, the stability of the system is increased, and the system is convenient for installation and maintenance.