190results about How to "Flexible layout" patented technology

The invention discloses an automatic container system. The system comprises a rail frame, a plurality of containers, at least one container moving device, a connecting device, a movement device drive unit, a connecting device drive unit and a control unit, wherein the plurality of containers are movably arranged on the rail frame, at least one space which is used for moving and switching the container and is not less than the size of the container is left; the connecting device is used for connecting the container moving device with the container and drives the container to move. According to the automatic container system provided by the invention, the intensive arrangement of a plurality of rows of the containers without space can be realized by switching the positions of the containers, so that half of storage content can be promoted in comparison with a traditional technology; the automatic container system is matched up with an unloader so as to move out or in goods in any cell of any container, so that automatic goods entry and exit and refined goods management can be realized; and the containers and the rail frame can be freely spliced and assembled by adopting a standard cell design, so that the layout is flexible. The automatic container system is suitable for intensive storage centers, automatic storage racks in supermarkets, automatic storage cabinets, three-dimensional parking buildings, automatic container trucks, vending machines, automatic post cabinets and the like.

The present invention discloses a polishing disk with internal circulated cooling, which pertains to the technical field of polishing equipment. This polishing disk mainly comprises combined polishing disk, swivel joint, internal piping system and external piping system. The combined polishing disk consists of upper disk and lower disk. On the lower disk, circular and spiral grooves are arranged, including solution feeding spiral groove and solution returning spiral groove. The two grooves are interleaved and centrally symmetric and converge on the outermost circle. At the starting point of the solution feeding spiral groove, a through threaded hole is arranged as water inlet. At the starting point of the solution returning spiral groove, a through threaded hole is arranged as water outlet. The lower disk and upper disk are connected with bolts on outer edge. Circular grooves are formed inside the combined polishing disk. The spiral circular grooves in the present invention are easily processed. As the grooves adopt a centrally symmetric structure, the dynamic equilibrium is not affected. The inlet and outlet of the cooling groove are both in the middle of the polishing disk to realize the circular cooling of the coolant that enters and leaves the polishing disk from its middle part, creating convenience for the arrangement of the piping system.

The invention discloses a dragging-based large screen modularization layout method and device. The dragging-based large screen modularization layout method comprises the following steps: importing a static data Excel/csv file and relational database data; selecting a target data source according to the imported static data Excel/csv file and relational database data, and generating a visual view through a view model, wherein the view model comprises a chart component and a user-defined component; and according to a dragging instruction, freely dragging and laying out the visual view in a canvas, so that style configuration of the chart component and the custom component is realized. According to the dragging-based large screen modularization layout method, complex data is displayed in a visualization mode, and various components are freely dragged and flexibly arranged in the large screen, and various different business scenes can be met, and the problems that a currently common largescreen visualization system is single in component and customized in layout, and a user cannot make the large screen according to the actual scene of the user are effectively solved.

The invention provides a telephone receiver device and a mobile terminal. The telephone receiver device comprises a telephone receiver mesh, a telephone receiver assembly and a camera assembly, wherein a sound outlet hole, a light sensitive hole and a camera hole are formed in the telephone receiver mesh, and the telephone receiver mesh is mounted on the inner side of a cover plate of the mobile terminal; the telephone receiver assembly is arranged on the inner side of the telephone receiver mesh and is opposite to the sound outlet hole; and the camera assembly is arranged on the inner side of the telephone receiver mesh and comprises a camera opposite to the camera hole and a light sensor opposite to the light sensitive hole. By the integration of the light sensitive hole, the camera hole and the sound outlet hole in the telephone receiver mesh, the actual demand can be met by only forming one hole in the cover plate of the mobile terminal, so that the positions of appearance holes are effectively controlled, and the appearance performance can achieve the best effect.

The invention relates to an SCR (selective catalyst reduction) jetting system, which comprises an adblue tank, a conveying pump, a pressure storage cavity, a pressure regulating valve, an air storage tank and a nozzle. The nozzle comprises a compressed air inlet and an adblue inlet; an output end of the pressure storage cavity is communicated with the adblue inlet of the nozzle, and an output end of the air storage tank is communicated with the compressed air inlet of the nozzle; the adblue tank comprises a tank body, a pump body is arranged on the tank body, the conveying pump, the pressure storage cavity and the pressure regulating valve are disposed in the pump body, an input end of the conveying pump is communicated with the inside of the tank body, and an output end of the conveying pump is communicated with the pressure storage cavity; and a backflow end of the pressure storage cavity is communicated with the inside of the tank body via the pressure regulating valve. The tank body, the conveying pump, the pressure storage cavity and the pressure regulating valve are integrated, the structure of the SCR jetting system is simplified, arrangement of a total vehicle is more convenient, and cost of the total vehicle is reduced.

The embodiment of the invention provides a method for positioning labels in a wireless network. The method comprises the following steps that the master base station obtains identifiers of slave base stations, wherein the slave base stations and the master base station are located in the same target area, and the number of the slave base stations is greater than or equal to 2; the master base station receives broadcasting messages sent by the labels and sends the identifier of the master base station and the identifiers of the slave base stations to the labels when the labels are in the target area; and the master base station obtains a second distance measurement result and sends a first distance measurement result and the first distance measurement result to a server. The embodiment of the invention also provides the master base station for positioning the labels in the wireless network. Compared with an existing UWB (Ultra Wideband) positioning scheme, the labels are allocated and managed at base station ends, so paths as short as possible are employed, the instable delay and factors are reduced to the lowest, and the positioning system is relatively reliable.

The invention discloses an active steering transmission for an automobile active steering system, comprising a mechanical transmission and a power driving device; the mechanical transmission comprises two groups of parallel NGW planetary gear drive transmission mechanism; a central gear and a first planetary gear and a first internal gear ring form planetary line I; the central gear, a second planetary gear and a second internal gear ring form planetary line II; two planetary lines share the same central gear; an input shaft is connected with a first planet carrier; an output shaft is connected with a second planet carrier; the second internal gear ring is fixed; the first internal gear ring is fixedly connected with a worm gear; a motor drives the worm gear to rotate. The transmission adopting mechanical connection has high safety; the power driving device drives the internal gear ring through the planet carrier to output, achieving active steering output, which is a deceleration transmission; the small driving moment of the motor and the worm and gear mechanism can reduce the size of mechanism, thus reducing cost and space.

The invention provides a twelve-degree-of-freedom four-footed walker with a hybrid leg structure. The twelve-degree-of-freedom four-footed walker comprises a rack and four hybrid legs which are symmetrical in structure; each hybrid leg comprises three straight-line drivers, a leg rack, a front swing rod, a back swing rod, a connection rod, shanks and feet; each hybrid leg is provided with three driving degrees of freedom; the first straight-line driver drives the whole leg to carry out side swing movement; and the second straight-line driver and the third straight-line driver are capable of cooperatively driving the feet to carry out plane parallel movement output in the plane of a leg mechanism. The feet are connected through buffering so that vibration absorption, energy storage and reutilization can be finished in a striding period. Four legs of the leg rack are symmetrically or equidirectionally distributed and the whole body is provided with twelve degrees of freedom, so that an omnibearing movement of a robot can be realized through a certain tread output. The twelve-degree-of-freedom four-footed walker provided by the invention is simple in structure, easy to control and high in kinematic accuracy, has a high-speed response capability and a high bearing capability, and is applicable to high-speed and high-load transportation work and dangerous environment work under complicated non-structure topographic conditions in the wild.

The invention discloses a computer-controlled servo 3D bayonet tufted carpet machine which comprises a group of front and rear racks which stand opposite to each other, wherein the front rack is provided with a cloth locking mechanism for supporting and binding the corners of carpet base cloth, and the rear rack is provided with a displacement mechanism; a tufting head is arranged on the displacement mechanism towards the front rack, and the touch surface of the tufting head involves the whole region in the front rack under the condition that the tufting head is driven by the displacement mechanism. The rack is vertically arranged and is divided into two, and the rack is flexibly arranged and is convenient to move; the whole size of the rack is not changed, but a large part of space is occupied aloft, and the landing area is smaller. Only one tufting head can move and tuft in the whole range of the carpet base cloth, and is widely suitable for various different carpet twines, the speed is relatively high, the precision is improved, the details of the original carpet pattern is shown easily, the finished carpet pattern product is lossless, and more importantly, a carpet with a stereoscopic 3D effect can also be woven.

The invention provides a display panel, a preparation method and an electronic device. The display panel includes a first electrode layer, an organic light emitting layer, a second electrode layer anda driving layer superposed in sequence. Wherein the first electrode layer and the organic light emitting layer are both light transmitting layers, A light-transmitting region is arrange on that second electrode layer, the organic light-emitting lay is provided with a plurality of pixel units, each pixel unit is electrically connected with the first electrode layer and the second electrode layer,the driving layer is used for controlling the pixel unit to emit light, and the driving layer is provided with a second light-transmitting region, and the second light-transmitting region is arrangedcorresponding to the first light-transmitting region. The technical scheme provided by the embodiment of the invention solves the problem that the display area of the existing display panel is limited, and is conducive to the development of the display panel to a larger display area.

The invention relates to a method for mounting a dismountable steel trestle. When a bailey steel trestle is constructed in water, the construction steps are as follows: firstly, inserting and driving first span steel pipe piles by virtue of a floating crane in deep-water area; secondly, mounting a first span bailey beam truss and a bridge deck system; thirdly, lifting a crawler crane onto the constructed bridge deck by the floating crane; and fourthly, constructing the steel trestle in holes by adopting a method for mounting guiding beams and lifting and inserting the steel pipe piles by a guiding frame by virtue of the crawler crane; and when the bailey steel trestle is constructed on the shore, the construction steps are as follows: firstly, levelling the ground, and inserting and driving the first span steel pipe piles by utilizing the crawler crane to suspend a vibration pile driving hammer; secondly, mounting the first bailey beam truss and the bridge deck system; thirdly, lifting the crawler crane onto the bridge, inserting and driving the steel pipe piles for subsequent piers; and fourthly, erecting the subsequent steel trestle by the crawler crane. The invention has the advantages that the requirement on the site is low, mounting is convenient, the dependence of trestle construction to the operating environment is reduced, the influence of shallow water and oversized storm to work ships is avoided, the operation on water is changed into the operation on the shore, the construction progress is sped up, and the requirement on construction machinery is lowered, thus having high promotional value.

The invention relates to a speed type structure connecting and locking device containing shear thickening liquid, and belongs to the technical fields of civil engineering and aerospace engineering. The device comprises the shear thickening liquid, a steel cylinder, piston rods, a piston end, internal seals, a sealing baffle plate and a connecting end. The connecting end is connected with a structure; under the action of environmental change or common load and the like, the connecting and locking device and the structure move slowly at the same time; and when the connecting form of the structure is unchanged, the speed of the structure is obviously increased under the action of power, the shear thickening liquid in the connecting and locking device is sharply changed from liquid phase to solid phase, the device plays a role of a rigid connecting rod, and the connecting form of the structure is changed from hinging to rigid connection, so that the transfer path of the load is changed, the displacement and the deformation of the structure are limited, and the structure is protected.

The invention discloses an oil tank for a hydraulic system. The oil tank comprises a tank body and a tank cover, wherein an oil suction pipe is arranged at the left side of the tank body, penetrates through a through hole in the tank cover, extends to the outside of the tank body and is fixed to the tank body in a sealed manner, an oil return pipe is arranged at the right side of the tank body, penetrates through a through hole in the tank cover, extends to the outside of the tank body and is fixed to the tank body in the sealed manner, the bottom of the tank body is of an arc-shaped surface, a plurality of partition plates are arranged between the oil suction pipe and the oil return pipe and are fixedly arranged on the internal wall of the tank body, an oil draining plug is arranged at the bottom of the tank body, and a sucked oil filter is arranged at the bottom of the oil suction pipe. The oil tank is simple and reasonable in structure, flexible in arrangement and convenient in repair and maintenance; the sucked oil filter is arranged in the tank body and is convenient to clean.

The invention discloses a denoising volute for enlarging the outlet area of a centrifugal fan. The denoising volute comprises a volute tongue, a first arc section, a second arc section, a third arc section, a fourth arc section and an outlet line section which are in smooth connection. The denoising volute is characterized in that on the basis of the four approximate helix arc sections made by a traditional inequilateral base method, the fourth arc section is opened in advance, the tangent outlet line section inclines towards the reverse direction of airflow circling as compared with a traditional design scheme, the width in the radial direction of a line opening of the volute is larger than that of the opening of the conventional volute, and the increase ratio is up to 45.3%. Due to the fact that the outlet area of the centrifugal fan is effectively increased under the condition that aerodynamic performance of the fan is unaffected, the outlet of the centrifugal fan can be better connected with a pipe network, and noise of the centrifugal fan is lowered to some extent.

The invention discloses a hydraulic engineering driller which adopts a drilling hydraulic cylinder and a hydraulic motor driven drilling bit component for drilling; a drilling stroke is controlled by the drilling hydraulic cylinder through a pulley block; the drilling hydraulic cylinder is laid out relatively flexibly; the equipment layout space is optimized; the drilling component has a greater ascent and descent space fundamentally; the drilling stroke is prolonged; the drilling movement frequency is reduced, so that the drilling construction efficiency is improved; in addition, due to the optimization, the equipment layout space can be made full use of, so that the driller is compact in structure; with the adoption of a hydraulic driving structure and electrohydraulic control, a stepless speed regulation function is realized, and the driller can meet the drilling requirements of different stratums; a power head is driven by a hydraulic motor and can be combined with mechanical speed reduction, the power transmission reliability is improved further, and the adjustable scope of torque variation is wider; and when the equipment is in use, the labor intensity is reduced, the use cost and labor cost are saved, and the driller can be used for engineering pile hole construction and meets the technological requirements.

The invention discloses a cooling system of the hybrid power vehicle. The hybrid power vehicle comprises an engine and a driving motor. The cooling system comprises an engine cooling circuit for cooling the engine and a motor cooling circuit for cooling the driving motor. A heat exchanger is connected between the engine cooling circuit and the motor cooling circuit. The heat generated by the engine is transmitted through the engine cooling circuit to the motor cooling circuit by means of the heat exchanger. The invention further discloses the hybrid power vehicle and a cooling method of the hybrid power vehicle. Compared with the prior art, the heat generated by the engine is transmitted through the engine cooling circuit to the motor cooling circuit, the temperature of the engine system is lowered, a cooler can be shared, the space requirement for a front end module is low, the layout position of the heat exchanger is flexible, and cost is lower compared with a cooler.

A combined partion system is composed of door, the wall slab and glass plate for dividing space, vertical supporting main joist, slab connectors for connecting wall slabs to joist, glass connectors for fixing glass plate to joist, and U-shaped slots for connecting the wall slabs and glass plate to ceiling and floor. It is suitable for office room.

The invention provides a testing site for whole scene calibration and a constructing method of the testing site for the whole scene parking calibration. The testing site for the whole scene parking calibration comprises a parking line, central axial lines perpendicular to the parking line and evenly dividing the parking line, a first calibration testing zone arranged in front of a vehicle and connected with the parking line, second calibration testing zones arranged at two sides of the vehicle respectively and a third calibration testing zone arranged behind the vehicle and keeping a preset distance away from the parking line. The first calibration testing zone comprises a plurality of first calibration points and a plurality of second calibration points. Each second calibration testing zone comprises second calibration points. The third calibration testing zone comprises a plurality of second calibration points and a plurality of third calibration points. A straight line parallel to the central axial lines is formed by the first calibration points, the second calibration points and the third calibration points, wherein the first calibration points, the second calibration points and the third calibration points are arranged at the same side of the vehicle. The first calibration points and the third calibration points are arranged on the central axial lines. Each first calibration point, each second calibration point and each third calibration point are respectively marked with a sequence number. The testing site is constructed according to positional relationship of the calibration points and the positional relationship of the calibration points, the parking line and the central axial lines in the testing site.

The invention discloses a dust fall system for urban long and narrow type support-free deep foundation pit excavation construction. A foundation pit body is included. At least one of the two sides ofthe outer edge of an opening of the foundation pit body is provided with a shielding mechanism for pavement of dustproof net cloth towards the other side of the outer edge of the opening in the lengthdirection of the foundation pit body, a negative-pressure area for improving flow of air in the foundation pit body is formed between the dustproof net cloth and the outer edge of the opening of thefoundation pit body, guide rail assemblies which are in moving fit connection with the shielding mechanism are laid on the two sides of the foundation pit body in the length direction of the foundation pit body, and after the dustproof net cloth is laid and shielded, the two sides of the foundation pit body in the length direction of the foundation pit body are provided with a plurality of dust fall mechanisms for adsorbing and settling of raise dust in the foundation pit body, wherein the dust fall mechanisms are adaptive to the guide rail assemblies. According to the dust fall system, through the comprehensive means of shielding, adsorbing and settling, generation of raise dust is reduced to the maximum degree.

A forceps (1) for gripping an intervertebral implant (2), said forceps comprising two rigid arms (11) that are hinged relative to one another at a connection member (10), the two arms (11) defining between them an internal space (120), each arm (11) forming a jaw (17), the two jaws (17) being for coming into engagement with an intervertebral implant (2), the jaws (17) being movable between an open position and a closed position in clamping engagement with the implant (2), at least one of the two arms (11) including a cam surface (16) for urging the jaws (17) in the open position; said forceps being characterized in that the cam surface (16) extends outside the internal space (120) defined between the arms (11). The present invention further provides an implantation kit and an implantation assembly comprising said forceps and an intervertebral implant.

The invention discloses a bottle discharge mechanical hand which comprises a lifting shaft base, a rotary lifting shaft arranged on the lifting shaft base, and a clamping installing base arranged on the top of the lifting shaft. The lifting shaft is provided with an idler wheel and an idler wheel shaft. A sliding type claw and a claw control mechanism are arranged at the front end of the clamping installing base. The lifting shaft base is provided with a cam groove which is matched with the idler wheel and enables the lifting shaft to be rotated in an orienting mode in the lifting process. The vertical part of the bottle discharge mechanical hand is small in occupied space. When the bottle discharge mechanical hand is arranged on a bottle manufacturing machine, the clamping installing base can be arranged roughly along the tangent line of a rotating disc of the bottle manufacturing machine or the position parallel to the tangent line, the direction of moving glass bottles out can be the direction perpendicular to the rotary disc of the bottle manufacturing machine roughly, a follow-up discharging device can be arranged conveniently, arrangement space needed by equipment is greatly reduced, and the space utilization rate is increased. The invention further provides the bottle manufacturing machine adopting the bottle discharge mechanical hand and the glass bottles manufactured by the bottle manufacturing machine.

The invention discloses a construction method for a steel-concrete combined section of a deck type steel box continuous arch bridge. The steel-concrete combined section of the deck type steel box continuous arch bridge is characterized by comprising a cylindrical pier column, a variable cross-section steel-concrete combined section and steel box arch feet. The steel-concrete combined section is vertically mounted on the cylindrical pier column; and the steel box arch feet are embedded into the steel-concrete combined section. The construction process comprises the following steps of mounting pier column erecting steel bars and stirrups, pre-burying steel strands and mounting a pier column template, mounting four arch foot positioning steel plates, pouring concrete at the lower part of the pier column in a layered manner, erecting a pier column outer side bracket, hoisting the arch feet and positioning, mounting shear reinforcements, mountingstress and strain sensors and a temperature sensor, mounting a steel-concrete combined section stirrup, embedding a cooling pipe, mounting a steel-concrete combined section template, positioning a tensioning end of a steel strand, pouring steel-concrete combined section concrete, performing prestress tensioning and grouting on an arch foot, and pouring concrete at the upper part of the arch foot after an arch rib is mounted. The self-weight of the upper structure and the use amount of concrete of the pier column are reduced, but a large stress concentration phenomenon can be generated; and displacement of the arch feet caused by uneven external force is prevented, and construction is convenient.

The invention discloses a windscreen wiper and a vehicle. The windscreen wiper comprises a motor (10), a connecting rod mechanism (20) and a wiping arm (30), wherein the connecting rod mechanism (20) is connected between the motor (10) and the wiping arm (30) for transferring the power of the motor (10) to the wiping arm (30). The windscreen wiper is characterized in that the connecting rod mechanism (20) is a multi-rod mechanism. The vehicle comprises the windscreen wiper. In the windscreen wiper disclosed by the invention, as the connecting rod mechanism (20) is the multi-rod mechanism, compared with a traditional four-rod mechanism, the multi-rod mechanism has more connecting rods, and the torque required to be transferred by each connecting rod is reduced under the condition of definite load. Therefore, force arms of all the connecting rods can be shortened, that is, the lengths of all the connecting rods can be shortened, so that the mounting space and the moving space of the connecting rod mechanism (20) can be reduced, and the windscreen wiper is convenient to arrange.

The present invention discloses a crane comprising a bipod and a balance weight hoisting device. The bipod is provided with a front support component and a collapsible rear pull component. The balance weight hoisting device comprises a suspending device and a jacking device. The balance weight of the crane is suspended below the front support component by the suspending device. The front support component, the suspending device and the balance weight rise or fall under the action of the jacking device. When the jacking device extends, the front support component can be jacked by the jacking device, and the balance weight is driven by the suspending device to simultaneously rise in the process. Thus, the bipod and the balance weight can be jacked by only one jacking device, multiple parts, such as pumps, valves, pipes, etc are saved. The structure of the crane is simplified, which facilitates the arrangement of multiple parts on a revolving platform. Meanwhile, the reliability of the crane is improved, and the cost is reduced.

The invention discloses an evaporation-condensation type integrated water chilling unit which comprises a unit shell. A tubular plate and filler composite evaporator cooler and a draught fan are arranged in the unit shell, a mechanical refrigerating system is arranged below the tubular plate and filler composite evaporator cooler and is connected with a tubular plate and filler composite heat exchanger in the tubular plate and filler composite evaporator cooler, an air inlet is formed in the top wall of the position, corresponding to the upper portion of the tubular plate and filler composite evaporator cooler, of the unit shell, and an exhaust opening is formed in the side wall of the position, corresponding to the draught fan, of the unit shell. The evaporation-condensation type integrated water chilling unit is designed to be an integrated up-down structure, a machine room does not need to be arranged, and land and investment are saved; the tubular plate heat exchanger is coupled with filler, so that the heat exchange area is increased, the heat exchange effect is good, and the unit has the advantages of being efficient and saving energy.

The invention discloses an inclination-resistant oil sump for an engine, which is arranged on the lower part of the engine and comprises an oil sump body, an oil absorbing pipe module, an oil storagechamber, a deep oil storage chamber, a shallow oil storage chamber, an oil pumping pipe module and an oil pump module, wherein the deep oil storage chamber and the shallow oil storage chamber are arranged on the oil sump body; two oil storage chambers are arranged along the length direction of the oil sump at certain distance, the shallow oil storage chamber is an oil pumping cavity, the deep oilstorage chamber is an oil absorbing cavity which is internally provided with an oil absorbing pipe module, and the oil absorbing pipe module is communicated with an oil pump of the engine and conveysengine oil to the oil pump; the oil pumping module is arranged in the oil pumping cavity; and the oil pump module, two ends of which are connected with the oil pumping cavity and the oil absorbing cavity, conveys the engine oil in the oil pumping cavity to the oil absorbing cavity. The invention can ensure that a lubrication system reliably works under the condition of high inclination of the engine, obviously reduce the height size of the oil sump of the engine and has compact structure and convenient arrangement.

The invention relates to the technical field of active noise control, particularly to an adaptive active noise control display system, so that problems that visual displaying of the existing adaptive active noise control technique can not be realized, people can not understand and master the technique conveniently, and people can not determine and sense the noise control effect conveniently are solved. The adaptive active noise control display system is composed of a display rack, a control unit, a primary sound source loudspeaker, a secondary sound source loudspeaker, an error microphone and an LCD touch screen. The control unit controls the primary sound source loudspeaker to send out single-frequency or composite-frequency noises by controlling the key of the LCD touch screen or dial switch selection, thereby forming a primary sound field; the error microphone obtains a noise signal of the primary sound field; the noise signal of the primary sound field and an error sound channel function obtained by identification are analyzed to obtain a secondary sound source signal; and the control unit controls the secondary sound source loudspeaker make sounds to realize adaptive active noise control so as to eliminate the secondary sound field noises. And changes of noises before and after active control implementation are compared visually by observing the touch screen.

The invention provides an intelligent monitoring device for building deep foundation pit. The system comprises a deep foundation pit monitoring module and a data processing module arranged in the monitoring area of the deep foundation pit. The deep foundation pit monitoring module is configured to collect data of the formation geology of the deep foundation pit area, and hydrology in real-time, the deep foundation pit monitoring module includes a wireless sensor network constructed by a sink node and a plurality of sensor nodes deployed in the deep foundation pit monitoring area, the sensor node collects the environmental data of the deep foundation pit at the monitoring position, and the sink node is mainly configured to collect the environmental data of the deep foundation pit collectedby each sensor node, and send the environmental data to the data processing module for storage and display.

The invention discloses a motor control device of an amphibious robot. The control device is connected with a master control computer via a bus module and utilizes an ARM microprocessor as a control core, the ARM microprocessor is connected with a CAN transceiver via a first isolator and is connected with an RS485 transceiver via a second isolator, a CAN bus is connected with the CAN transceiver, an RS-485 bus is connected with the RS485 transceiver, the I/O port of the microprocessor is connected with a first motor and a second motor via a first motor driver and a second motor driver and is connected with the first motor driver and the second motor driver through analog-to-digital output conversion modules, the first motor is connected with the ARM microprocessor via a rotating potentiometer, and the second motor is connected with a decoding chip module via a rotary transformer. The invention has an easily replaced interface with good generality, small volume, flexible arrangement, easy installation, clear structure, convenient debugging, low cost, high reliability and capability of realizing fault diagnosis.

The invention discloses a safe monitoring system without duty and with one person for operation, belonging to the technical field of audio/image signal transmission, which is characterized in that: two wired local area networks are respectively arranged at a central control room and at the front-end transformer station; a video receiving device and audio receiving/ sending device connected with the wired local area networks is arranged at the central control room; a wired Ethernet is arranged between the central control room and the front-end transformer station; a portable video/audio sendingdevice is arranged at the front-end transformer station and is connected with the wired local area network of the front-end transformer station through a wireless local area network. The invention has the advantages of meeting the purpose of realizing safe operation for equipments at the front-end transformer station under the precondition of low cost due to adopting wireless local area network for transmitting sound image signal, not producing interruption for equipments of prior transformer station, realizing safe monitoring of single personnel operating process, being widely applied in areas such as operation, maintenance and safe production of transformation and distribution systems.