113results about How to "Novel design structure" patented technology

A sticking belt for closing the wound on skin is composed of two parallel substrates, adhesive layer coated on the bottom of substrates, fabric band on the surface of substrate, and a locking-closingmechanism consisting of multiple parallel locking units. There is a gap between adjacent locking units. Each locking unit comprises a fastening, a shakle and a locking bed.

The five-foot wall climbing robot as one small robot consists of frame, leg mechanism, driving mechanism and control system, and has five feet with adsorbing electromagnet. Its frame consists of front frame and back frame, the front frame is provided with straight motor and reducer combination and has on the output shaft two symmetric and synchronous sets of leg mechanisms and electromagnets, and the back frame is also provided with straight motor and reducer combination and has on the output shaft two symmetric and synchronous sets of leg mechanisms and electromagnets. The front frame and the back frame capable of rotating and floating are driven with a middle turning motor, and the leg mechanism is four-link rod mechanism. The robot is novel in structure, simple, small and smart, can crawl and turn on plane in any inclination and may be used in job in narrow space and dangerous area.

The invention discloses a conversion circuit for high-voltage input and low-voltage output, belonging to the technical field of power electronic technology. The conversion circuit comprises a capacitance divider circuit, a switch circuit, a rectifying circuit and a filter circuit, wherein the output end of the capacitance divider circuit is connected with the input end of the filter circuit through the switch circuit and the rectifying circuit; two ends of the divider circuit and the switch circuit are connected with the anode and the cathode of the power supply, respectively; three step down transformers are connected serially at the preceding stage of the rectifying circuit, two ends of the rectifying circuit are connected with the output end of the switch circuit, and three full-wave rectifiers are connected in parallel at the back stage of the rectifying circuit; the filter circuit is a capacitor filter circuit, and two ends of the filter circuit are connected with two output ends of a rectifier, respectively. The conversion circuit inputs high voltage class, outputs stable direct-current voltage, has a simple circuit structure, small switching stress, simplified transformer design, high power supply utilization ratio, good power supply quality, high stability and security coefficient and low cost, and is suitable for high-voltage and high-speed application situations, such as subways, bullet trains, high-speed rails and the like.

The invention discloses a coaxiality measurer of a mounting hole of a cylinder cover fuel injector and the inner circle of a baseplate seam allowance, which is composed of an expanding arbor, a handlebar, expanding beads, compression springs, mounting holes for the expanding beads, a front rod, a cross slab, a hole in the lower end of the cross slab, a bolt, a hole in the upper end of the cross slab, a screw, a fixing rod, a fine dial test indicator and a test head. The sliding expanding beads contacted with the inner walls of the mounting hole for the cylinder cover fuel injector are arranged at the outer circle of the expanding arbor; and the test head of the fine dial test indicator indicates the inner circle of the baseplate seam allowance. The coaxiality measurer of the mounting hole of the cylinder cover fuel injector and the inner circle of the baseplate seam allowance has the advantages that the structure design is novel; the process of measurement is simple; and the effect of measurement is accurate.

The invention discloses an industrial refuse cracking burning tail gas treatment system. The system comprises a cooling treatment tower, a multi-layer filtration tower, a multi-layer bag-type dust collector, a wet scrubbing tower, a tail gas recirculating system, an induced draft fan, an air compressor, a dust collection tower, an air blower and the like. Grapefruit peel filler selected and used in the multi-layer filtration tower is made into square block filler, and the volumes of the filler in bamboo boxes are 8 cm<3>, 3.375 cm<3> and 1 cm<3> respectively from bottom to top. The purification efficiency of tail gas treated through the treatment system reaches up to 99% or above, and the pollutant concentration is lower than the national emission standard.

The invention discloses a water quality detecting device. The water quality detecting device comprises a water quality detecting box body; the upper portion of the water quality detecting box body isrotationally connected with a protective cover through a hinge; the outer portion of the water quality detecting box body is sleeved with a buffer adjusting protection device; a placement frame is mounted in the water quality detecting box body; a placement groove is formed in the placement frame; and a pushing device is arranged on the side, close to a storage battery, of the lower portion of theplacement frame. By arranging the buffer adjusting protection device, the outer side wall of the water quality detecting box body can be effectively protected, damage of external force to the water quality detecting box body is reduced, through combined application of a first shock absorbing protection device, a second shock absorbing protection device and a third shock absorbing protection device, after a baffle makes contact with the placement groove, swinging of reagent bottles in the placement groove can be reduced, by arranging the pushing device, the reagent bottles in the placement groove can be pushed out, and staff can conduct relative detection on the different reagent bottles conveniently.

The invention discloses a single-phase half-bridge voltage-multiplying rectification PFC (power factor correction) circuit which comprises a power circuit, a detection circuit and a control circuit, wherein voltage and current signals of the power circuit are connected with the control circuit through the detection circuit; the power circuit comprises a booster circuit and a rectification circuit; two output ends of the booster circuit are connected with the midpoints of two bridge arms of the rectification circuit; an output end of the rectification circuit is used for outputting a direct current voltage; the detection circuit is used for detecting power voltage zero passage, inductive current and output voltage signals of the power circuit; and an input end of the control circuit is connected with an output end of the detection circuit, an output end of the control circuit is connected with a gate pole of a power switch of the power circuit. The single-phase half-bridge voltage-multiplying rectification PFC circuit can output stable direct voltage and generate a unit input power factor at the same time, can realize flexible voltage regulation capacity, can obtain linear input impedance, can obtain higher output voltage under lower input voltage and can reduce power consumption and voltage-withstand grade of power devices. The single-phase half-bridge voltage-multiplying rectification PFC circuit has the advantages of strong university, simple structure and low cost.

The invention discloses an alternating-current push-pull conversion-full-bridge rectification step-down circuit in the technical field of power electronics. The step-down circuit comprises a high-frequency conversion circuit and an impedance conversion circuit, and the output end of the high-frequency conversion circuit is connected with the input end of the impedance conversion circuit; the high-frequency conversion circuit comprises a filter circuit, a transformer, a first push-pull circuit and a second push-pull circuit which are sequentially cascaded, and the primary and the secondary of the transformer are provided with center taps; the impedance conversion circuit is a fully controlled bridge type rectifier circuit, the output end of which is connected in parallel with a filter capacitor, the middle points of the two bridge arms of the bridge are respectively connected with the two alternating-current output ends of the second push-pull circuit, and the output end of the rectifier bridge outputs direct-current voltage. The step-down circuit outputs stable direct-current voltage, generates a unit input power factor at the same time, realizes flexible voltage-regulating capability, obtains linear input impedance, and overcomes the defect of mutual interference between the fluctuation of the power supply and the fluctuation of the load, and in addition, the step-down circuit supports four-quadrant operation, can feed the direct-current voltage back to an alternating-current power grid, sufficiently utilizes load side idle electric energy, and has the advantages of high universality, simple structure and low cost.

An object of the present invention is to provide a conveying robot with variable chassis, which belongs to the robot field. As that robot carry objects, the X-shape structure of the vehicle chassis isautomatically changed by acquiring the size of the object, and the size of the vehicle body is changed by axial expansion and contraction so as to adapt to the size of the object to be carry. When the robot is unloaded, it can pass through the narrow workspace smoothly by changing its own structure. The variable structure transporting robot of the invention processes the surrounding environment information through a multi-sensor information fusion technology, and the embedded system thereof is realized by adopting a state machine mechanism. Its motion control decision can be improved gradually by reinforcement learning. As that chassis adopt an X-shaped structure, the variable-structure conveying robot of the invention can rotate around the cent of the vehicle body and can realize the axial movement of the vehicle axle. The invention can conveniently and quickly realize obstacle avoidance in a narrow environment, and can recognize and carry goods of different sizes. The design is novel in structure, strong in adaptability and convenient to travel.

The invention discloses a computer-based quality management testing device. The device comprises a base, two T-shaped sleeve tubes are fixedly embedded in two edge sides of two sides of the base, screw rods are in threaded connection with the insides of the T-shaped sleeve tubes, the bottoms of the screw rods are fixedly connected with universal wheels through connecting blocks, anti-skid rubber pads are fixedly attached to the bottoms of the T-shaped sleeve tubes, a groove is formed in the center of the base, a plurality of shock-absorbing springs and rubber hoses are fixedly arranged in thegroove, one rubber hose is arranged between every two shock-absorbing springs, and U-shaped bottom plates are fixedly arranged on the tops of the shock-absorbing springs and the rubber hoses. According to the device, flatness of a wall body of a building can be directly reflected through a flatness measuring device, and the flatness is directly fed back to a computer through a light source signalreceiver, so that the flatness of a measured zone is determined through computing analysis of the computer, a camera passes by the measured zone so that the measured zone can be observed by the camera, and measuring tools can be controlled to change the position and the angle through air bags and universal rotary balls.

The invention provides an electrically-driven unmanned torpedo car. The electrically-driven unmanned torpedo car comprises an unpowered bogie, a power bogie, a small car frame, a large car frame, a rack, a tipping mechanism, a tank, a power supply system, an electrical control system and a braking system. The unpowered bogie and the small car frame are connected through a center plate, the power bogie and the small car frame are connected through a center plate, the small car frame and the large car frame are connected through a center plate, and the large car frame and the rack are connected through a center plate. The tank is supported by the rack, and the tipping mechanism is arranged on the rack. The braking system is mounted on the power bogie. The power supply system and the electrical control system are arranged on a platform of the driven side large car frame. The torpedo car is provided with a running driving device and the power supply device, the requirement that the torpedo car runs immediately after the tank is full can be met in the operation mode, and the turnover rate of the torpedo car is increased. The car can realize unmanned operation and unmanned driving, can stably, orderly and safely run on a track line under organization and dispatching of the control system, and completes required work at each station, the labor intensity of personnel is reduced, and the safety of the personnel is improved.

The invention discloses a channel equalization method in a 5G multi-carrier communication system. The method comprises the following steps: firstly, establishing a general model of FBMC-OQAM; secondly, using a Hermite filter design for a prototype filter of the FMBC filter bank, the Hermite filter having the time domain and frequency domain symmetry characteristic, and the adjacent signal interference ratio obtained by an FBMC system designed by the filter being about 3 dB smaller than that of the prototype filter of the European PHYDYAS bank; in an Jacks-Doppler frequency spectrum fading channel model, performing multi-tap equalization on a time-frequency double-selection channel in an MIMO-FBMC system based on a data block joint MMSE method; the test of the bit error rate-signal-to-noiseratio of the FBMC system being completed by increasing the number of the antennas, and the purposes of reducing the interference between adjacent subcarriers of the system, reducing the total bit error rate of the system and improving the signal-to-noise ratio of the system are achieved, so that the effectiveness and reliability of the multi-carrier communication system are enhanced.

The invention discloses a rapid pavement marking device for highway construction, and relates to the technical field of highway construction. The rapid pavement marking device comprises a push rod, wherein a main supporting rod is connected to the lower end of the push rod, and a base is connected to one side face of the main supporting rod; driving wheels are arranged on the rear side of the lower end of the base, and a cleaning roller is connected to the front side of the lower end of the base; and a guide wheel is arranged on the lower surface of the front end of the main supporting rod, apositioning rod is connected to the position, located behind the guide wheel, of one side face of the main supporting rod, a connecting rod is arranged at the position, corresponding to the guide wheel, of the outer side face of the front end of the main supporting rod, and a first push rod and a second push rod are arranged at the positions, corresponding to the front and rear ends of the guide wheel, of the inner side of the connecting rod side by side. According to the rapid pavement marking device for highway construction, it can be ensures that the inner side edge of the guide wheel always corresponds to the outer side edge of an old marking line, so that the problem that a drawn marking line is not accurate enough due to deviation of a marking device during marking is solved, meanwhile, the problem that traditional manual correction is not accurate enough is also solved, and time and labor are saved; and intelligent calibration is achieved, so that the rapid pavement marking device is more accurate and high in marking efficiency.

The invention discloses an industrial refuse cracking burning tail gas treatment method. Tail gas sequentially passes through a cooling treatment tower, a multi-layer filtration tower, a multi-layer bag-type dust collector, a wet scrubbing tower and a tail gas recirculating system, and dust, heavy metal steam, organics, nitric oxides, nitric oxide and pungent odors existing in the tail gas are effectively removed. According to the treatment method, the odor removing and purifying efficiency is high, the multi-layer filtration tower is small in adsorption resistance coefficient, low in energy consumption, not prone to blocking, convenient to replace, operate and maintain in the later period and low in operation cost. The purification efficiency of the tail gas treated through the treatment system reaches up to 99% or above, and the pollutant concentration is lower than the national emission standard.

The invention discloses a low-voltage AC-DC (Alternating Current to Direct Current) converter, which belongs to the technical field of power electronics. The low-voltage AC-DC converter comprises a power circuit, a detection circuit and a control circuit, wherein the voltage and current signals of the power circuit are connected with the control circuit through the detection circuit; the power circuit comprises a booster circuit and a voltage-doubling rectifying circuit; two output ends of the booster circuit are connected with two input ends of the voltage-doubling rectifying circuit; the output end of the voltage-doubling rectifying circuit is used for outputting a direct-current voltage; the detection circuit is used for detecting the voltage and the current signals of the power circuit; the input end of the control circuit is connected with the output circuit of the detection circuit; and the output end of the control circuit is connected with the control end of a power switch of the power circuit. According to the low-voltage AC-DC converter, a stable direct-current voltage is output, a unit input power factor is generated simultaneously, a flexible voltage adjusting capability is realized, and linear input impedance is obtained; moreover, a higher output voltage can be obtained under the condition of a lower input voltage, and the power consumption and voltage withstanding level of a power device are lowered; and the low-voltage AC-DC converter has is high in universality, simple in structure and low in cost.

The invention provides a series group battery of passive self-breathing direct methanol fuel battery, where the anodes of adjacent cells share a methanol liquor storage cavity, and the cathodes of the adjacent cells share a gas storage cavity, and the cathode and anode plates which need connecting in series are replaced with stainless steel netting, one side of which acts as the anode plate for a cell and the other side of which acts as the cathode plate for the adjacent cell, filler piece is placed between the stainless steel netting and organic glass equipped with methanol liquor storage cavity, membrane electrode assembly of the fuel battery is placed between the anode and cathode plates of each cell, the methanol solution is distributed through shunt pipe into each liquor storage sub cavity, and the whole group battery is screwed with four screws. And its advantages: this design has novel structure, is easy to install, and reduces the bulk of the series group battery on the premise of the same number of cells, the contact area of reactant methanol and anodes is large so that the reaction is complete.

The invention discloses an open electromechanical-pneumatic integrated basic training system, which comprises a training platform and a training module located on the training platform, and is characterized in that the training platform comprises a control console, a desktop and a cabinet body, side surfaces of the control console comprise six panels with the same structure, the panels are of a hinged door structure, and one side of each panel is provided with an operating panel; the other side of the panel is provided with an instrument, a switch, a signal light and a handle; the internal part of each panel is provided with a multifunctional mesh board, an electrical control unit is arranged on the multifunctional mesh board, and the desktop is arranged below the control console; six side surfaces of the desktop are all provided with a training module and a power supply and air supply switch; cabinet bodies are uniformly distributed below the desktop, and a baffle plate is arranged between each two cabinets behind the cabinets; and the bottom of each cabinet is connected with four leg cups. The open electromechanical-pneumatic integrated basic training system is novel in structure, enables trainees to have more comprehensive understanding for an electromechanical-pneumatic integrated system and achieves good training effects.

The invention discloses a buffer type liftable machine tool for precision instrument machining. The buffer type liftable machine tool comprises a machine tool body, and a support is fixedly connectedto the bottom of the machine tool body. According to the liftable machine tool for precision instrument machining, lifting of the machine tool is achieved, production and maintenance are convenient, the cost is low, vertical lifting of a transverse plate is guaranteed, uneven stress of a lifting device is avoided, the stability of the machine tool is guaranteed; through cooperation of a square plate, a circular plate, a double-end stud, a rolling wheel, a conical wheel, a second sliding block and a base, the liftable machine tool for precision instrument machining is convenient to move, aftermovement, supporting can be carried out on the liftable machine tool for precision instrument machining, the stability of the liftable machine tool for precision instrument machining is guaranteed; and through cooperation of the circular plate, a bolt and an ejection plate, the angle of the machine tool is convenient to rotate and fix, the operation process is simple, and the liftable machine toolfor precision instrument machining can better meet the use requirements of people, and is suitable for popularization and use.

The invention discloses a numerical control type water-based industrial paint spraying equipment, comprising a main body of the equipment, a paint booster cylinder, a flexible delivery pipe, a paint sprayer, a hand handle, a parallel support frame, a moving handle, a numerical control panel, a spraying debugging key, a start switch, and a charging socket , front inspection door, roller installation frame, driving roller, paint storage box, built-in host, paint transfer tube and rechargeable power cylinder; the upper side of the main body of the equipment is provided with a paint booster cylinder, and the front side of the paint booster cylinder is provided with a soft Conveying pipe; the numerical control type water-based industrial paint spraying equipment described in the present invention saves manpower and material resources under the condition of meeting the basic working conditions. The work difficulty is reduced, thereby improving work efficiency and increasing economic benefits; the overall design structure is simple and novel, strong in practicability, and easy to popularize and use; the overall design structure is simple and novel, strong in practicability, and easy to popularize and use.

The invention discloses a fixed dressing for peripherally inserted central venous catheters (PICC) related dermatitis for the oncology department, and relates to the technical field of postoperative wound adjuvant therapy equipment. Aiming at the problems that the use position of an existing dressing is prone to misplace, the dressing is inconvenient to replace, the drug effect utilization rate of a standing dressing is low, the wound surface is relatively slow to recover and the like, the following scheme is proposed that a storage box is included; a connecting mechanism is fixedly connected to each of two sides of the storage box; each connecting mechanism comprises a cover plate; a mounting plate is welded to the bottom part of each cover plate; a connecting plate is arranged on an outer ring of each mounting plate; each connecting plate is welded to the outer wall of the storage box; and a cavity is formed in each connecting plate. The fixed dressing is novel in design structure; the dressing is simply and quickly fixed in position, so that the workload of a medical worker is reduced, the bandage has elasticity, so that the tightness degree is not affected by movement of a patient; the dressing is used in a temperature-controlled heated manner, so that a drug volatilization effect is improved, which facilitates absorption of the drug by an affected part; the healing speed is increased, the discomfort of the patient is reduced; and the fixed dressing is suitable for being applied and popularized.

The invention discloses a smart VR helmet based on cultural tourism services. The smart VR helmet comprises a head band, earphones, an electric control box, a control device, slide rails, a power device, a rotating shaft and a pair of VR glasses, wherein a drive box is arranged at the front end of the head band, the electric control box is arranged at the rear end of the head band, and the slide rails are arranged on two sides of the head band and glidingly connected with the earphones; the control device is arranged in the electric control box and comprises a single chip microcomputer and a control circuit connected with the single chip microcomputer; the power device comprises a motor, a motor driver and a speed reducer, one end of the motor driver is connected with the single chip microcomputer, the other end of the motor driver is connected with the motor, a power input shaft of the speed reducer is in matched connection with a spindle of the motor, a power output shaft of the speed reducer is in matched connection with one end of the rotating shaft, the other end of the rotating shaft is in matched connection with the VR glasses, and an image acquisition device is arranged inthe front of the VR glasses and connected with the single chip microcomputer. The smart VR helmet is simple in structure and reliable to use.

The invention discloses a novel visual-audio gravity venous transfusion monitor which controls the venous transfusion flow rate through sound and is capable of transmitting live images of a dynamic transfusion video of a sound dropping bucket in real time. The novel visual-audio gravity venous transfusion monitor is characterized in that a transfusion rod, an audio-visual monitor and the sound dropping bucket are designed into a system working assembly body. The control and set for the gravity venous transfusion dropping speed and the wire transmission or wireless transmission for the live videos of the dynamic pictures of the dropping bucket can be realized through gathering the fluid dropping sound feedback from the sound dropping bucket and the relative fixed position thereof. The novel visual-audio gravity venous transfusion monitor realizes the program control for the gravity venous transfusion flow rate, the remote control for the video transmission, and the transfusion nursing informatization, systematization, normalization and standardization.