37results about How to "Reduce failure links" patented technology

Provided is a nuclear power plant radioactive exudation monitoring system which comprises an airborne radioactive exudation monitoring system. The airborne radioactive exudation monitoring system comprises a heating unit. The heating unit is used for heating gases in a part, outside a chimney, of a sampling pipeline where an aerosol and iodine monitor in the airborne radioactive exudation monitoring system is located, and a part, outside a chimney, of a sampling pipeline where an aerosol and iodine sampler is located. The nuclear power plant radioactive exudation monitoring system may prevent aerosol and iodine steam condensation caused by a decrease in ambient temperature and may increase aerosol and iodine acquisition efficiency. Further, a compressor is arranged on the upstream of an inert gas sampling bottle so as to increase gas concentration. In a high radioactivity monitoring system, a lead shielding device is arranged outside the inert gas sampling bottle and the aerosol and iodine sampler in order to improve protection of workers against radiation. A liquid radioactive exudation monitoring system is improved, simplified in structure, and decreased in fault links. A flowmeter is provided in order to compute total discharge activity.

The invention discloses a safety remote control system used for an electric vehicle, and a control method of the safety remote control system. The safety remote control system comprises a vehicle-mounted unit and a non-vehicle-mounted unit, wherein the vehicle-mounted unit and the non-vehicle-mounted unit are connected through a mobile data network; the non-vehicle-mounted unit comprises a remote platform server and a plurality of user terminals connected with the remote platform server; the vehicle-mounted unit comprises a data terminal and a centralized controller connected with the data terminal, and the centralized controller is further connected with a plurality of action execution units; the centralized controller comprises a complete vehicle control unit and a plurality of action control units connected with the complete vehicle control unit; each action control unit is connected with the corresponding action execution unit; and complete vehicle control unit is further connected with the data terminal. The safety remote control system simplifies and integrates vehicle-mounted control units into the independent centralized controller, thereby reducing the complexity of the structure and links of the safety remote control system, reducing failure links, and being simple and reliable.

The invention provides a signal processing platform applicable to a multi-sensor self-adaption optical system. The signal processing platform comprises a plurality of signal processing modules (1) with a bus switch, an interconnection rear panel (2) based on a CPCI (Compact Peripheral Component Interconnect) bus structure, an expansion I/O (Input/Output) board (3) and a monitoring host (4). With the adoption of the structure, the signal processing platform provided by the invention can be used for processing wave-front signals of a plurality of sensors in parallel and combining low-delay data among the sensors in parallel; the good expandability, the generality, the clipping property and the small size of the signal processing platform can be realized due to a dynamic bus structure with a switch and a changeable operation signal processing module structure; and the signal processing platform is applicable to processing the self-adaption optical wave-front signals in various applicable fields.

The invention discloses an inclined sliding groove rail pair with a self-locking flat surface. The inclined sliding groove rail pair comprises a driving sliding block (1) and a driven sliding block (2). By means of the groove rail pair composed of the driving sliding block and the driven sliding block, an abutting flat surface is arranged at the position of an inclined sliding rail of the driving sliding block, a non-return flat surface is arranged at the position of an inclined sliding groove of the driven sliding block, during working, the driving sliding block linearly slides, the inclined sliding rail of the driving sliding block tract pulls the inclined sliding groove of the driven sliding block to enable the driven sliding block to slide in an inclined mode, the abutting flat surface of the driving sliding block slips into and abuts against the upper portion of the non-return flat surface of the driven sliding block so as to prevent the driven sliding block from retracting, so that an inclined core drawing block at the lower end of the driven sliding block is locked, the driving sliding block only slides for one time to perform inclined pulling and locking to the driven sliding block, defects of complicated structures, high costs, excessive hidden danger and fault links and low efficiency which exist in prior art are overcome, and purposes of simplifying structures, reducing costs and fault links and improving efficiency are achieved.

The invention discloses a traction control system and a method for positioning, calculating and correcting a traction position. The system comprises a steel wire rope rotation wheel transmission system, a rail reciprocating vehicle and rotary encoders which are used for detecting the rotation positions of the steel wire rope rotation wheels; the rail reciprocating vehicle is provided with a permanent magnet; magnetic limit switches for sensing the permanent magnet are arranged on one side of a rail where the rail reciprocating vehicle runs; the rotary encoders and the magnetic limit switches output detection signals to a controller; and the controller is used for calculating the traction position according to the detection signals fed back by the rotary encoders, judging the running interval of the rail reciprocating vehicle according to the detection signals fed back by the magnetic limit switches and calculating and correcting the traction position to generate the current position of the rail reciprocating vehicle. By a double positioning detection mode that the rotary encoders are matched with the limit switches, the running position of the rail reciprocating vehicle is corrected and calculated, so that high positioning accuracy and strong reliability can be guaranteed, the structural design is simple, cost is low, and fault links are few.

The invention belongs to the technical field of underground coal mine exploiting equipment, and particularly discloses a rapid coal mine digging and anchoring all-in-one machine applicable for mechanical exploiting operation of large, medium and small sized underground coal mine coal roads and half-coal tunnels. The invention aims to solve the problem that the coal roads and half-coal tunnels are low in digging efficiency, large in worker labor intensity and severe in potential safety hazards. The rapid coal mine digging and anchoring all-in-one machine disclosed by the invention consists of twelve parts such as a walking part, a plate shoveling part, a cutting part, a front supporting part, an engine body part, a control part, two anchoring and drilling parts, a guard plate part, a conveying part, a rear supporting part, a hydraulic system and an electric system; the walking part is arranged below the engine body part; the plate shoveling part is hinged to the front end of the engine body part; the front supporting part is arranged at the middle position of the front upper part of the cutting part; the cutting part is arranged at the middle position of the front upper part of the engine body part; the control part is installed on the left side of the engine body part; the two anchoring and drilling parts are arranged on the left side and the right side of the engine body part; the guard plate part is fixed above the engine body part; the conveying part is arranged in the middle of the engine body part; and the rear supporting part is installed at the back of the engine body part.

The invention discloses an electric vehicle hydraulic control pump/motor power assisting system, and belongs to the technical field of hydraulic transmission. The electric vehicle hydraulic control pump/motor power assisting system comprises a main loop consisting of a pump/motor (5) and energy accumulators (9) and (10), a power assisting control loop consisting of a hydraulic control proportioning valve (4) and a power assisting cylinder (20) and a brake control loop consisting of the hydraulic control proportioning valve and a brake cylinder (14). The pump/moor is meshed with an electric motor (2) and a drive axle through a power divider (3). During braking, a vehicle inertia driving pump is used for charging the energy accumulators, and the pump generates a braking torque for a vehicle. When the vehicle starts to run, the energy accumulators supply oil for the motor to assist the electric motor in driving, and the overloading of a power battery is prevented, thus the service life of the vehicle is prolonged. The output oil pressure of the hydraulic control proportioning valve can be controlled through a brake pedal (16) and an accelerator pedal (22), and the discharge capacity of the pump/motor is adjusted, thus the hydraulic brake and power assisting strength is controlled. The electric vehicle hydraulic control pump/motor power assisting system has the characteristic that full hydraulic control is adopted, and has the advantages of high environmental suitability and high reliability.

The invention relates to a three-position rotary transceiver, which comprises a cabinet body. The three-position rotary transceiver is characterized in that a lower plate which is uniformly provided with three position holes and can be rotated is arranged in the cabinet body, the three position holes are coaxially arranged with an upper pipe section and a lower pipe section which are installed in the cabinet body after the lower plate is rotated, wherein a No. I position middle pipe section is installed in the No. I position hole, a No. II position middle pipe section is installed in the No. II position hole, the upper end opening of the No. II position middle pipe section cannot pass through a container, and a container connecting box is installed below the No. II position middle pipe section. According to the three-position rotary transceiver, a servo motor is adopted as a driving device and controlled by a PLC (Programmable Logic Controller) of a whole system, the three-position rotary transceiver is rotated in accordance with a given instruction, and after the three-position rotary transceiver is rotated to a proper position, the three-position rotary transceiver is automatically shut down and braked. The three-position rotary transceiver which is directly driven by the servo motor has the advantages of less fault link, simple structure and high degree of automation.

The invention belongs to the field of an underwater connector, and particularly relates to a segmental watertight connector. The segmental watertight connector is mounted on underwater operation equipment. A socket has a housing, a jack and a guiding hole, wherein the jack and the guiding hole are in a first rubber sulfuration sealing member. One end of the jack is connected with a lead, and the other end is provided with an independent inner chamber. An annular projection exists in the inner chamber. A plug is provided with a plurality of second rubber sulfuration sealing members. Each secondrubber sulfuration sealing member is provided with a pin and a guiding pin. Furthermore the bottom of each pin is provided with an independent rubber insulating rod. One end of the pin is connected with a lead in a cable, and the other end is inserted into the jack. The rubber insulating rod is inserted into the inner chamber and abuts against an annular projection in a sealed manner. The socketand the corresponding plug according to the invention can be plugged in a wet environment and can be used in shallow sea and deep sea and furthermore have reliable sealing performance. The socket andthe corresponding plug are suitable for electric signal transmission in various kinds of underwater operation equipment. Furthermore connection of a plurality of plugs with cables with the equipment through one socket can be realized.

The invention relates to an electric locomotive cooling system, comprising liquid medium cooling loops for cooling a main converter, a main transformer and a water-cooled traction motor respectively, and a combined cooler; liquid tanks of the combined cooler are connected respectively with the corresponding liquid medium cooling loops, a heat-absorbing line of a compression refrigerator is in S-shaped round-strip distribution in the liquid tanks of the combined cooler and is soaked in the liquid cooling medium. The radiating efficiency of the main converter, main transformer and traction motor of an electric locomotive is greatly improved, a lot of axial-flow fans are omitted, equipment weight is reduced, less space is used, fan noise is avoided, there is no stain and solid flocculent accumulation outside the combined cooler, equipment false steps are decreased, and equipment maintenance cost is reduced.

The invention discloses a multi-service Ethernet gateway system. The multi-service Ethernet gateway system comprises an accessing unit used for accessing service data of the system, an extended unit used for extending the service data of the system, a gathering unit used for gathering the service data of the system, and a transmitting unit used for transmitting the service data of the system to a preset device. The multi-service Ethernet gateway system is reasonable in design, strong in processing ability, short in self-healing time, good in reliability and stability and capable of reducing device failure, lowering user cost, simplifying the network and improving network reliability.

The invention discloses a control method for power generation by the water level. The control method is applied to a power generation system of a hydropower station. The power generation system comprises a first power generator, a second power generator, ... and an Nth power generator, and the value of N is a positive integer. An ith power generator executes the the following steps: judging whether the acquired first water level reaches the upper-limit water level of the ith power generator, starting up the ith power generator if yes, controlling the ith power generator to output a shut-down signal, and shutting down other started-up power generators except the ith power generator, wherein the value of i is equal to 1, 2, ... and N; acquiring the current regulating pulse width according tothe first water level; and controlling the active load of the running of the ith power generator to reach the active power Pi which corresponds to the current regulating pulse width. According to thecontrol method disclosed by the invention, one power generator can run on an economical water line as long as the water level information is acquired, so that the equipment cost is relatively low; furthermore, all power generators can be sequentially started up according to variations of the water level, so that no additional control equipment is needed; and accordingly, the quantity of fault links can be reduced.

This invention is related to a fluid commutating clutch. Its oil route is: two transitional tie-ins on the shell-two counterpart oil routes-two independent oil routes of the initiative axletree-the chamber of oil jar of the front and the back clutches; the cover of the counterpart route is fixed on the front end, the oil jar is connected with the initiative axletree. This clutch has simple structure and equipping process, the oil route is hermetic and reliable, the performance of operation is sound and the time of usage is long. This invention is related to the multi-functional tractor that uses the above clutch. The tractor not only has the strong points of this clutch, but also it is assembled more reasonably. The concentric degree of the initiative axletree of the fluid clutch and the output axletree of the motor is higher.

The invention discloses a pressure self-adaptive switching hydraulic logic control device for main and auxiliary hydraulic cylinders. The pressure self-adaptive switching hydraulic logic control device comprises the main cylinder and the auxiliary cylinder, wherein the main cylinder and the auxiliary cylinder are parallelly and rigidly connected on a load, a first electromagnetic directional valve is connected to the main cylinder, a pressure regulating valve, a throttling valve and a second electromagnetic directional valve are sequentially connected to the auxiliary cylinder, a first logic valve and a second logic valve are respectively connected between the pressure regulating valve and the auxiliary cylinder, and the first logic valve is connected between the main cylinder and the first electromagnetic directional valve. The pressure self-adaptive switching hydraulic logic control device can completely achieve functions achieved in an existing control mode, the links easily causing faults are decreased, the problems including slippage and the like occurred in quiver, switching impact and a static state are eliminated by relying on the intrinsic rapidity, sensitivity and reliability of pressure self-adaption, and the main and auxiliary hydraulic cylinders are smoother to switch and greatly meet the working condition requirements of the pressure self-adaptive switching hydraulic logic control device.

The invention discloses a method of SDIOverIP multiplexing port data. The specific operation method is as follows: (1) starting a client process for acquiring SDIOverIP port data, judging whether there is a server process of a corresponding port, if there is no server process of a corresponding port, entering a step (2), starting a server process, and entering a waiting state for acquiring data; If the server process of the corresponding port already exists, entering the step (3) and waiting for obtaining the data state; (2) acquiring SDI data through the SDIOverIP acquisition card and converting the data into an exchange file or a shared memory by the server process; (3) obtaining SDI data from the swap file or shared memory by the client process . The invention has the advantages of effectively simplifying the topology structure, reducing the fault links and reducing the input of additional equipment.