49results about How to "Reduce operational accidents" patented technology

The invention provides a scene teaching management system and method for rail transit training. The system comprises a scene management module, a whole-line control module, a vehicle control module and a communication and signal control module. The method comprises the following steps: creating or storing various scenes used for rail transit training and acquiring a target scene appointed for training from the scenes, and then controlling the starting or stopping of communication and signal control action in the target scene, the starting or stopping of the train in the target scene and the running and stopping of the train in the target scene combined with the communication and signal fault. According to the invention, the online running of the signal systems of the training platform is realized, the high-accuracy and operable scene is supplied for the rail transit training and the technical problem of unconformity between logic and reality caused by only training through the system without multi-post fault / scene simulating exercise or pure computer simulation for the fault scene can be solved.

The invention discloses a diagnosis method for the insulation defect of a switchgear. The method comprises that a mode of an air discharge decomposition product in the switchgear is established; the association feature between the air discharge decomposition product and the insulation defect in the switchgear is established; and according to the association feature, the type of the insulation defect in the switchgear is determined. According to the method provided by the invention, the type, content and change trend of gas component in the switchgear are detected to determine the insulation defect in the switchgear, so that defects in the switchgear can be discovered timely, effective measures can be taken to avoid further development of the defect, and operation accidents of the switchgear can be reduced.

The invention relates to a reducer capable of regulating return difference. The reducer comprises an outer shell, a compound planet gear, an input shaft and output shaft, wherein a first gear I of the compound planet gear is meshed with the fixed gear ring of the outer shell, and a second gear II thereof is meshed with the gear of the output shaft; the input shaft and the output shaft are in the same straight line, the eccentric shaft neck of the input shaft is provided with taper, and an eccentric sleeve is arranged between the eccentric shaft neck of the input shaft and the bearing of the compound planet gear; the eccentric sleeve is provided with a tapered hole, and the front end of the eccentric sleeve is provided with an elastic hanger; the eccentric shaft neck of the input shaft is tightly matched with the tapered hole of the eccentric sleeve; the centre hole of the output shaft is internally provided with an adjusting screw rod, a screwed hole at the large end of the adjusting screw rod is connected with an external thread at the other end of the input shaft; and the elastic hanger of the eccentric sleeve is inserted into a hanger groove at the larger end of the adjusting screw rod, and the larger end of the adjusting screw rod is connected with the output shaft through a bearing. The invention can carry out adjustment to enable the gear return difference to restore to an expected value, has simple, convenient and feasible adjustment, reduced gear manufacturing cost and prolonged service life. The second embodiment of the invention can realize automatically regulating return difference.

The invention discloses a secondary control cable fixing bracket which is characterized in that the bracket comprises a bottom fixing clamp plate (1), a middle fixing clamp plate (2) and a top fixing clamp plate (3); the inner sides of the bottom fixing clamp plate (1) and the top fixing clamp plate (3) are provided with uniformly-distributed semicircular cable fixing slots (4); both sides of the middle fixing clamp plate (2) are provided with uniformly-distributed semicircular cable fixing slots (4); each fixing slot (4) is provided with a cable fixing lining sleeve (7) inside; the middle fixing clamp plate (2) and the top fixing clamp plate (3) are each connected with a cable sign hanging bracket (5) through bracket mounting holes (8); and the cable sign hanging brackets (5) are provided with arc grooves (9), and each arc groove (9) is connected with a cable sign (10). The secondary control cable fixing bracket of the invention has the advantages of simple structure, easy use, safety and reliability, wide range of application, and low cost. The operation stability of the power grid and the economic benefit are improved.

This invention relates to an artificial bistable quick overturn unit including a shell and a drive shaft movably plugged in the shell, in which, a fork block is set on the shaft and is connected with an artificial fork, a baffle plate is set in the shell vertical to the shaft and separates the shell into a permanent magnetic cavity and a spring cavity, a magnet is fixed on the internal wall of the magnet cavity, a core is mounted on the shaft in the magnet cavity, the fork block can be slidedly bushed on the shaft of the spring cavity, two spring seats are bushed on the shaft of both sides of the block, two push boards are fixed on the shaft of outsides of the spring seat and a spring is set between the seat and the push board.

The present invention provides an excitation power synchronization signal collection and processing method and apparatus. The method comprises the steps of collecting a synchronization voltage signal and a generator PT signal simultaneously; determining phase sequences, frequencies and phase values of the synchronization voltage signal and the generator PT signal according to the synchronization voltage signal and the generator PT signal; and determining an excitation power synchronization signal reference source according to the phase sequences, frequencies and phase values of the synchronization voltage signal and the generator PT signal. Through adoption of the method and apparatus, redundant intelligence of a synchronization signal of rectification of the controllable silicon rectification bridge is realized, the fault tolerance rate is higher, and related running accidents of the excitation system and the generator caused by synchronization loop sampling abnormality are reduced.

The invention discloses a safety joint control panel for urban rail station telephone block system operation. The safety joint control panel comprises an operation panel and a control device. The control device comprises a CPU (central processing unit), an indicating unit, a button unit, a serial-port-to-parallel-port conversion unit I, a serial-port-to-parallel-port conversion unit II and a powerunit, and display light strips for showing turnout directions and display light strips for showing occupancy states of trains at stations A, B and C and interval trains are arranged on the operationpanel; corresponding buttons of the button unit can be pushed, so that corresponding indicator lamps of the indicating unit can be switched on under the control of the display light strips. A method for controlling the safety joint control panel includes setting initial states; setting turnout opening directions; jointly controlling local station operation programs, to be more specific, requestingfor blocking, preparing routes, granting blocking, allowing the trains to depart, allowing the trains to arrive and occupying intervals. Different types of operation can be carried out by the aid ofthe method under interlocking control. The safety joint control panel and the method have the advantages that the safety joint control panel is vivid and visual; joint control relations between the operation programs can be visually presented, accordingly, train running accidents can be effectively reduced, and the safety joint control panel not only can be used for practical operation, but also can be used as a training and teaching instrument.

The invention discloses a two-phase flow integrated quartz resistance furnace, which comprises a round metal cylinder body which is arranged on a rotating shaft and can rotate 180 degrees, an graphite electrode is longitudinally arranged in the round metal cylinder body, the two ends of the graphite electrode are connected with composite electrodes arranged at the two ends of the round metal cylinder body through graphite electrode sleeves, the composite electrodes are connected with a low voltage side of a furnace front transformer through cables, the peripheries of the composite electrodes are provided with furnace cover cooling water drums, the periphery of the graphite electrode is provided with water cooled jackets, the composite electrodes and the outer rings of the water cooled jackets are fixed, the cables are water cooled cables, the water cooled cables comprise copper core wires, rubber steam hoses are coated outside the copper core wires, cooling water channels are arrangedbetween the copper core wires and the rubber steam hoses, transition joints are arranged between the water cooled cables and the composite electrodes, and two-phase flow conduits of the transition joints are connected with the water cooled jackets. The two-phase flow integrated quartz resistance furnace reduces areas of the cables by more than 20 times, greatly reduces contact resistance between the electrodes at the two ends, reduces turning weight of a furnace body, greatly reduces operating accidents of equipment, and increases operating efficiency.

An automatic control system for operation and protection of an electrodialysis system comprises an electrodialysis unit, a dosing unit and an automatic control unit. The electrodialysis unit comprisesan electrodialysis membrane stack, a fresh water storage tank, a concentrated water storage tank and an electrode water storage tank, wherein a fresh water chamber circulating pipeline, a concentrated chamber circulating pipeline and an electrode chamber circulating pipeline are formed. The dosing unit comprises an acid dosing unit and a reducing agent dosing unit. The automatic control unit comprises a PLC module and a human-machine interface HMI. The system composition is optimized, each sensor monitors material water inlet indexes such as turbidity, ORP value, pH value, pressure, temperature and the like in real time, and a corresponding regulation and control mechanism is made, so that an electrodialysis membrane stack is prevented from being damaged or polluted; in addition, all thesensors cooperate with one another through a PLC, normal and automatic operation of the electrodialysis system is guaranteed, and operation accidents are reduced.

The invention discloses a method and system of guest room electricity management. The method comprises the steps that a back locking signal of an intelligent lock is sent to an intelligent gateway through wireless communication; after the intelligent gateway receives the back locking state fed back by the intelligent lock, the back locking signal is sent to a cloud service platform; and the cloudservice platform sends an electricity obtaining instruction according to the received back locking state signal of the intelligent lock to conduct electricity obtaining on an appointed room. By meansof the method, back locking electricity obtaining is achieved, and an intelligent electricity obtaining mode which is characterized in that the simple motion of back locking of the intelligent lock isutilized to inform the gateway that a roomer checks in, and automatic electricity obtaining is immediately conducted is achieved; and in the same way, the intelligent lock which is subjected to backlocking is unlocked, the gateway is informed that the roomer leaves, the automatic electricity outage can be conducted in a period of time, a user can better experience the service, the number of operation accidents of a hotel is reduced, and the hotel management is relieved. A management platform upgrades the card plug-in electricity obtaining mode, and the new back locking electricity obtainingmode is researched and developed.

The invention discloses a train collision prevention system. The system comprises a data acquisition module, a data analysis module, a human-computer interaction module, and a data backup module, wherein the data acquisition module is used for acquiring the real-time data from the vehicle-mounted system and the ground system; the data analysis module is used for computing the train running track according to the real-time data and acquiring the train collision early warning information; the human-computer interaction module is used for displaying the train collision early warning information and receiving the train control command; and the data backup module is used for saving the real-time data, the train running track and the train control command. By virtue of the technical scheme, the real-time train safety analysis can be realized so as to automatically find the potential risk of a train, the human-computer interaction interface that is easier to understand and use is provided to the central control personnel, and the train running is provided with wider, more complete and more effective safety protection.

The invention discloses a driving safety protection device of an underground trackless auxiliary transport vehicle. A pneumatic control reversing valve is additionally arranged in a vehicle braking system, so that an actuating mechanism can be operated only when the vehicle is in a braking state, and the actuating mechanism does not act even if an operating button is touched accidentally in the driving process. Meanwhile, in order to prevent a driver from engaging a gear to drive the vehicle under the condition that the vehicle door is not closed, a corresponding protection device is additionally arranged in a gear engaging loop, and a door locking valve is triggered to act only after a cab door is closed, so that the gear engaging loop is controlled to take effect, and gear engaging driving is achieved. After the set of driving safety protection device is additionally arranged on the underground trackless auxiliary transport vehicle, the safety driving performance of the vehicle can be effectively improved. The driving safety protection device plays an important role in reducing vehicle operation accidents, and has positive significance in guaranteeing the personal safety of underground operating personnel.

The invention relates to an automatic slag adding machine and a slag adding method. The automatic slag adding machine comprises a trolley mechanism, wherein a material conveying system is arranged on the trolley mechanism in a horizontally swinging manner; a material storage system is arranged at a position of the material conveying system, which is close to the tail of the material conveying system; and the head of the material conveying system is provided with a material blanking tube. The automatic slag adding machine is characterized in that the material blanking tube is connected with an oscillating arm system and can do linear motion along a crystallizer. The automatic slag adding machine has the advantages that the conventional arc motion slag adding mode is replaced by a linear motion slag adding mode, so that the linear motion slag adding mode is consistent with the section of the crystallizer, and the section of the crystallizer can be added with slag completely; the area of the crystallizer can be fully covered; a phenomenon that molten steel and air are oxidized secondarily can be avoided, molten steel oxide impurities are reduced, the quality of ingot is improved, the labor intensity of workers is reduced, operation accidents are reduced, the production cost is saved, and the automation level of continuous casting production operation is increased; due to a protection slag thickness detection function, the number of added slag can be controlled; and the waste of the protection slag is avoided. The automatic slag adding machine is rational in structural design, meets an actual production requirement, is low in loss, convenient to run and easy to operate and does not waste any slag.

The invention discloses an automatic dehumidifier for a concealed-type cable channel, belonging to the technical field of electric power protection devices. The dehumidifier comprises a cover body with both ends open. The lower end of the cover body is communicated to a cable channel. The upper end of the cover body is provided with a rainhat. The sidewall of the cover body is provided with a fan. A humidity sensor, which is used to detect the humidity inside the cable channel, is installed on a sidewall of the lower end of the cover body. A motor of the fan is provided with a control module which is inductively activated with the humidity sensor. The humidity sensor transfers a detected signal of the humidity inside the cable channel to the control module. When the humidity inside the cable channel is higher than a pre-determined value, the motor of the fan is started to ventilate and dehumidify the cable channel by the control of the control module. By use of the automatic dehumidifier, the ventilation effect inside a cable channel is improved, the humidity inside the cable channel is reduced, cables inside the cable channel are protected from being damaged, and hidden safety problems of the electric power operation are reduced.

The invention provides an adjustable flexible supporting roller for conveying belts. The supporting roller mainly comprises a roller hanging seat (1), friction rollers (3), a middle roller (4) and a connection chain shaft (18), wherein the connection chain shaft (18) can be a metal flexible chain, a metal rope or a nonmetal rope, or a flexible shaft formed by twisting the metal and the nonmetal rope; a middle roller shaft head (19) is adopted by the middle roller (4), and the middle roller (4) has a novel structure. By the supporting roller, shortcomings of the traditional supporting roller and the conventional flexible supporting roller are overcome, so that the belts can be uniformly conveyed by a roller body; the service life of the supporting roller is prolonged; waterproof and dustproof effects are achieved; and the supporting roller is simple in structure and convenient to maintain, and the cost is saved.

The non-linear controlling device is composed of the signal acquisition circuit, the data processing circuit, the pulse amplification circuit, the controllable silicon power circuit and the analog signal output circuit. The input end of the said signal acquisition circuit is connected to external transmitter and its output end of connected to the input end of the data processing circuit. The output end of the data processing circuit is connected to the pulse amplification circuit and the analog signal output circuit. The output end of the pulse amplification circuit is connected to the controllable silicon powder circuit. The output end of the controllable silicon powder circuit is connected to the controllable silicon power circuit. The output end of the controllable silicon power circuit is connected to the controllable silicon power circuit.

The invention relates to a reducer capable of regulating return difference. The reducer comprises an outer shell, a compound planet gear, an input shaft and output shaft, wherein a first gear I of the compound planet gear is meshed with the fixed gear ring of the outer shell, and a second gear II thereof is meshed with the gear of the output shaft; the input shaft and the output shaft are in the same straight line, the eccentric shaft neck of the input shaft is provided with taper, and an eccentric sleeve is arranged between the eccentric shaft neck of the input shaft and the bearing of the compound planet gear; the eccentric sleeve is provided with a tapered hole, and the front end of the eccentric sleeve is provided with an elastic hanger; the eccentric shaft neck of the input shaft is tightly matched with the tapered hole of the eccentric sleeve; the centre hole of the output shaft is internally provided with an adjusting screw rod, a screwed hole at the large end of the adjusting screw rod is connected with an external thread at the other end of the input shaft; and the elastic hanger of the eccentric sleeve is inserted into a hanger groove at the larger end of the adjusting screw rod, and the larger end of the adjusting screw rod is connected with the output shaft through a bearing. The invention can carry out adjustment to enable the gear return difference to restore to an expected value, has simple, convenient and feasible adjustment, reduced gear manufacturing cost and prolonged service life. The second embodiment of the invention can realize automatically regulating return difference.

The invention relates to an automatic control system for use in the production process of caramel pigments. A central control system is arranged in a central control room, and flow meters and regulating valves are arranged on an in-out pipeline of a material pre-fusion tank and are connected with the central control system; a temperature sensor, a pressure sensor and a steam regulating valve are mounted on a heating pipeline of an ejection heater and are connected with the central control system; pH detectors are arranged in the material pre-fusion tank, a laminar flow reaction tank, a flash tank, a coking burdening tank and a finished product tank; the central control system comprises a PLC controller and a terminal computer. According to the automatic control system, the whole production operation control is finished in the central control room, so that the manual operating errors are avoided, and the operation accidents caused by human factors are reduced as much as possible.

Embodiments of the invention provide a five-prevention loop control system and method for hybrid gas insulated switchgear; the device comprise a power supply, an isolation switch control loop, a control switch device and a measurement and control device, wherein the measurement and control device is connected with a hybrid gas insulated switchgear body through a cable, and a five-prevention locking loop is arranged in the measurement and control device; a switch-on control switch and a switch-off control switch are arranged in the control switch device, and the switch-on control switch and theswitch-off control switch are connected with the isolation switch control loop in series separately; the isolation switch control loop is connected with the five-prevention locking loop in series; and the control switch device and the five-prevention locking loop are connected with the positive electrode and the negative electrode of the power supply respectively. According to the system and themethod, the cost can be lowered, the cable amount is reduced, the construction difficulty is reduced, the safety operation of the isolation switch in the equipment can be ensured, the misoperation ofthe isolation switch is prevented, and the damage to equipment is reduced.

The invention discloses a homogeneous pool esterification water treatment system. The system comprises a homogeneous pool, a storage barrel, an upper self-suction pipe, a lower equilibrium inhalation pipe, a centrifugal pump, a control valve and a circulating pipeline. The height of the reserves of the storage barrel is less than that of the homogeneous pool; one pipe orifice of the upper self-suction pipe inserts into the bottom of the homogeneous pool, and the other pipe orifice is connected to the storage barrel through the lower equilibrium inhalation pipe; one end of the circulating pipe communicates with the storage barrel, and the other end of the circulating pipe communicates with the homogeneous pool; the centrifugal pump and the control valve are arranged on the circulating pipeline; and the storage barrel is provided with a water inlet pipe. A treatment method of the system uses the homogeneous pool to reduce COD index of the esterification water, and circulation operation is conducted on the esterification water in the homogeneous process. The invention can effectively improve the outlet water quality of homogeneous esterification water, reduce COD index of the outlet esterification water, and enable the precipitated sludge to conduct self-circulation timely and effectively, and reduce the loss of sludge.

The invention discloses a skid-mounted transformer device, which comprises a skid body, wherein the skid body is divided into a transformer chamber and a security control chamber by a partition plate,a transformer body is arranged in the transformer chamber, an oil collecting pool is arranged at the lower end of the transformer body, a bus system and a transformer radiator are further connected to the transformer body, the bus system extends out of the skid body to be connected with an external wire, and the transformer radiator extends out of the skid body through a pipeline; a control system and a gas fire extinguishing system are arranged in the security control chamber, a fire alarm system, an intelligent ventilation system, a heating system and a dehumidification system are further arranged in the skid body, and the transformer radiator, the gas fire extinguishing system, the fire alarm system, the intelligent ventilation system, the heating system and the dehumidification systemare all electrically connected with the control system. The device is suitable for various severe environments, the service life of a transformer substation is effectively protected, the precision and automation degree of temperature and humidity monitoring control are high, and various costs can be greatly reduced.

The invention relates to a transformer station back brake operation clip, in particular to an intelligent transformer station back brake operation clip and a use method thereof. The intelligent transformer station back brake operation clip comprises a box body, a single chip microcomputer, a power supply, a plurality of light bars, a start press button, a stop press button and a confirmation press button, wherein a positioning groove matched with the shape of an operation sheet is formed in the front end face of the box body; at least three clamping sheets capable of rotating and clamping the operating sheet in the positioning groove are arranged at the periphery of the positioning groove; and the start press button, the stop press button and the confirmation press button are arranged on the front end face of the box body. By implementation of the technical scheme, the intelligent transformer station back brake operation clip enables only one light bar to shine at any time to remind a user to write one operating step and implement the step, and the barrier gate actual operation is conducted strictly according to the written sequence; the occurrence probability of operation accidents caused by human factors is reduced, the writing integrity of the operating sheet is improved and the potential safety hazard is eliminated; during nighttime operation, the light bars shine to reduce the errors of misread, item-jumping operation caused by factors, such as dim light; and the working efficiency is improved.

The invention discloses a two-phase flow integrated quartz resistance furnace, which comprises a round metal cylinder body which is arranged on a rotating shaft and can rotate 180 degrees, an graphite electrode is longitudinally arranged in the round metal cylinder body, the two ends of the graphite electrode are connected with composite electrodes arranged at the two ends of the round metal cylinder body through graphite electrode sleeves, the composite electrodes are connected with a low voltage side of a furnace front transformer through cables, the peripheries of the composite electrodes are provided with furnace cover cooling water drums, the periphery of the graphite electrode is provided with water cooled jackets, the composite electrodes and the outer rings of the water cooled jackets are fixed, the cables are water cooled cables, the water cooled cables comprise copper core wires, rubber steam hoses are coated outside the copper core wires, cooling water channels are arrangedbetween the copper core wires and the rubber steam hoses, transition joints are arranged between the water cooled cables and the composite electrodes, and two-phase flow conduits of the transition joints are connected with the water cooled jackets. The two-phase flow integrated quartz resistance furnace reduces areas of the cables by more than 20 times, greatly reduces contact resistance between the electrodes at the two ends, reduces turning weight of a furnace body, greatly reduces operating accidents of equipment, and increases operating efficiency.

The invention discloses a safety identification intelligent elevator which comprises a safety traction module and an opening and closing module. The safety traction module comprises a door frame, magnetic fasteners and a drafting part, a cavity is formed in the door frame, the magnetic fasteners are symmetrically arranged in the cavity, and the drafting part is installed in the cavity; and the opening and closing module comprises elevator doors, moving blocks and locking shafts, the elevator doors are symmetrically arranged on the door frame, vertical grooves are formed in the door frame, the vertical grooves are communicated with the cavity, the moving blocks are embedded in the vertical grooves, and the locking shafts are vertically fixed to the moving blocks and matched with the elevator doors. By means of the safety identification intelligent elevator, people or articles can be prevented from being pinched to cause elevator operation accidents when the elevator is forcibly closed during operation, and if the doors are forcibly closed, an anti-pinch structure can automatically and reversely operate to open the elevator doors, so that the elevator accidents are greatly reduced, people can escape from themselves when the elevator is trapped due to faults, and the survival rate is increased.

The present invention provides an excitation power synchronization signal collection and processing method and apparatus. The method comprises the steps of collecting a synchronization voltage signal and a generator PT signal simultaneously; determining phase sequences, frequencies and phase values of the synchronization voltage signal and the generator PT signal according to the synchronization voltage signal and the generator PT signal; and determining an excitation power synchronization signal reference source according to the phase sequences, frequencies and phase values of the synchronization voltage signal and the generator PT signal. Through adoption of the method and apparatus, redundant intelligence of a synchronization signal of rectification of the controllable silicon rectification bridge is realized, the fault tolerance rate is higher, and related running accidents of the excitation system and the generator caused by synchronization loop sampling abnormality are reduced.

The invention discloses a rail train pantograph device capable of automatically adjusting pantograph-catenary contact pressure. The rail train pantograph device comprises a base, and a driving mechanism, a sliding mechanism and a lifting mechanism are arranged above the base; the contact pressure is adjusted in time through the driving mechanism, a maintainer does not need to climb on the roof of the rail train to manually measure and adjust the contact pressure between pantographs and catenaries after stopping, the labor cost is saved, the personal safety of the maintainer is protected, the complexity of measurement and adjustment is reduced, and the working efficiency is improved. It is guaranteed that the contact pressure between pantographs and catenaries in the running process of a train is always within a reasonable range, the situation of pantograph current collection faults caused by abnormal contact pressure due to the fact that a roadbed is not smooth, the catenaries change in height and the like in the running process is reduced, and abnormal abrasion of pantograph components caused by too large contact pressure in the running process is avoided; and the operation accidents of the pantograph catenary are reduced, the safety is high, and the applicability is high.

The invention discloses an electric power circuit splicing sleeve correction tool. A screw rod is installed in a screw hole in a mounting seat, the upper ends of a right rear connection arm and a right front connection arm are installed on the right end of the mounting seat through hinges, and a left front connection arm and a left rear connection arm are installed on the left end of the mountingseat through hinges, and side connecting arm hinges are installed on both the middle of the right front connection arm and the middle of the left front connection arm, and the left end of a lower connection arm is fixed on a constant pressure seat and the right end of the lower connection arm is installed on the right rear connection arm through a hinge. A butterfly nut on the right side is mounted on a screw on the constant pressure seat and the butterfly nut supports against the right front connection arm. A dynamic pressure seat is mounted on the tail of the screw rod. The electric power circuit splicing sleeve correction tool can reduce mechanical damage to a splicing sleeve in a process of high-altitude correction on the wire splicing sleeve, can greatly improve construction quality and prolong the service life of the splicing sleeve, can reduce operation accident caused by the wire splicing sleeve, and can bring great economic benefits.

The invention discloses an EPCU(electric pneumatic control unit) backup conversion device of a CCB II (computer controlled brake-second generation) brake. The EPCU backup conversion device comprises a power source conversion module, a signal control acquisition module, a signal control output module, bus expansion, a control module, an LON (local operating network) module, FTT(free topology transceiver)-10A LON transceivers, double-port RAM(random access memory) and MVB(multifunction vehicle bus) communication chips, MVB network data transceivers, and a default indication storage module. By the EPCU backup conversion device of the CCB II brake, a solution for assisting vehicle due to EPCU partial default (such as default codes 014, 017, 025 and the like) is provided, a locomotive brake command is ensured to be executed normally and locomotive normal running is maintained.