43results about How to "Achieve working status" patented technology

The invention relates to a control method and a control system of zero-spark high-voltage electrostatic dedusting power supply, the system comprises an additional detecting electrode, a spark voltage generating circuit unit, a high-voltage measuring circuit and a microcomputer control unit. Through an additional electrode device that is arranged in a flue gas passage, the detecting electrode is connected with a detecting voltage generating circuit, disruptive critical voltage of the additional electrode is detected, and the critical disruptive voltage of a dedusting electric field is computed by a linear relation. The control method and system of the disruptive critical voltage detection of flue gas medium are characterized by simple structure, quick response speed, zero-spark in the dedusting electric field, and the like.

The invention discloses a transfusion apparatus composed of a transfusion pump and a disposable transfusion device provided with a needle. The transfusion apparatus is characterized in that a pump door is arranged on the housing; a plate-shaped wrench is arranged on the outer side of the pump door; a first column is fixed to the wrench; the first column is provided with a jack; a pump door switch is arranged on the inner side of the pump door; one end of the pump door switch is provided with a hooked piece, and the other end of the pump door switch is inserted in the jack; a first spring is arranged between the pump door switch and the wrench; the housing is internally provided with a locking slot, and the hooked piece matches the locking slot; the housing is internally provided with a liquid stopping clip; a second spring is arranged between the liquid stopping clip and the housing; the liquid stopping clip is composed of a tail part, a body part and a head part; a step is fixedly formed at the portion, corresponding to the body part of the liquid stopping clip, of the housing; and a second column and a third column are arranged on the inner side of the pump door. The transfusion apparatus is simple is structure, is convenient to operate, and is higher in accuracy, safety and reliability for infusion.

The invention provides a power distribution power source monitoring method and device. The power distribution power source monitoring method is applied to the power distribution power source monitoring device and comprises the steps of colleting the current values and the voltage values of a power distribution power source, comparing the current values and the voltage values with preset values, obtaining comparative results, generating warning information if the comparative results meet preset warning conditions, displaying the warning information on a mobile terminal, and therefore working states of the power distribution power source in an unattended machine room can still be known.

The invention discloses a display module and an electric appliance with the same. The display module comprises a display face film, a module body with a plurality of lamp cavities, a PCB and a displayer box, and is characterized in that an elastic gasket and an elastic piece are further included, one face of the elastic gasket is closely attached to the module body, the display face film is attached to the other face of the elastic gasket, a plurality of light-transmitting holes are formed in the elastic gasket, and the light-transmitting holes are opposite to the lamp cavities of the module body respectively; the elastic piece is arranged between the PCB and the displayer box, and the two ends of the elastic piece abut against the PCB and the displayer box respectively. By means of the structural design of the display module, the problem that the module body and the display panel cannot be completely and closely attached easily, and a clearance exists can be effectively solved.

The invention relates to a semi-automatic dyeing and cleaning system, which includes a frame and a dyeing mechanism, and also includes a dyeing mechanism and a transmission mechanism that are respectively arranged on the frame through first elastic components at both ends and located below the spraying mechanism. And a cleaning mechanism arranged below the dyeing mechanism, the cleaning mechanism includes a water washing tank, a cleaning assembly located inside the water washing tank, and a second elastic spring that is symmetrically arranged at both ends of the cleaning assembly and installed in cooperation with it. Components and rotating installations on the washing tank are used to control the cleaning components and lock components positioned inside the washing tank; the working conditions of the dyeing mechanism and cleaning mechanism are controlled by the force on the dyeing roller, and the automatic cleaning of the dyeing roller is carried out , greatly improve the cleaning efficiency, and solve the technical problem of time-consuming and labor-intensive cleaning of dyeing rollers in the prior art.

The invention discloses a multifunctional beacon lamp based on Internet of Things and Beidou short messages. The multifunctional beacon lamp comprises a lamp base, a lamp transparent cover and a control system, wherein a light source mounting base is mounted at the top of the lamp base; two layers of circumferential light source arrays are mounted on the light source mounting base; an annular lensis arranged on the outer circumference of each layer of circumferential light source array, and a light source upper cover is mounted above the upper-layer circumferential light source array and theannular lens; the lamp transparent cover is located above the lamp base and is connected with the lamp base; the control system comprises a circuit board core board, a circuit board bottom board and acommunication antenna board, wherein the circuit board core board, the circuit board bottom board and the communication antenna board are mounted between the top of the light source upper cover and the lamp transparent cover; and the circuit board bottom board is provided with a communication antenna board interface, an external data interface, an LED driving board, a power supply module and an analog quantity acquisition unit which are connected with the circuit board core board. In addition to navigation warning and the telemetering remote control functions, the multifunctional beacon lampcan be concerted with a hydrological meteorological sensor on a standard body, and the hydrological meteorological data is sent to a shore-based system by using the Internet of Things or the Beidou short messages.

The invention provides a polishing and feeding device for an aluminum panel workpiece (1). The polishing and feeding device comprises a workpiece carrying platen (2) and a platen carrying frame (3). A platen carrying plate (7) is covered with an inclined U-shaped plate (6). The workpiece carrying platen (2) is fixedly installed on the platen carrying plate (7). A tool side (9) of a quick robot tool changing disc (8) is fixedly arranged on the back face of the platen carrying plate (7) and is matched with a main side (12) fixedly arranged at the arm end of a robot. Movable clamping blocks (16) driven by first air cylinders (17) and fixed clamping blocks (14) with clamping grooves (15) are arranged at the upper end and the lower end of the U-shaped plate (6) respectively. Overturning mechanisms driven by second air cylinders (18) can be arranged for switching the inclined work state and the horizontal mold replacement state of the U-shaped plate (6), and positioning mechanisms are respectively arranged. The robot holds the workpiece carrying platen (2) to a polishing wheel of a polishing machine through the quick tool changing disc (8), and polishing is achieved. A combined polishing device can be formed through two polishing and feeding devices, and the polishing work efficiency is higher.

The embodiment of the invention discloses a frequency reconfigurable antenna based on a substrate integrated waveguide and a preparation method thereof. The antenna comprises the substrate integratedwaveguide, wherein an annular slot and a long slot are formed in the upper surface of the substrate integrated waveguide; an annular patch is formed while the annular gap is formed; a plurality of PINdiodes are arranged in the annular gap, the two ends of each diode are connected with the upper surface of the substrate integrated waveguide and the annular patch, and connection or disconnection between the annular patch and the upper surface of the substrate integrated waveguide is controlled by controlling the bias state of the diodes; when the diode is conducted, the annular patch is connected with the upper surface of the substrate integrated waveguide, and the working state of the first frequency band is realized through long slot radiation on the upper surface; and when the diode is cut off, the annular patch is disconnected with the upper surface of the substrate integrated waveguide, the working state of the second frequency band is achieved through radiation of the annular patch on the upper surface, and switching of the antenna between different bands can be achieved by controlling the bias state of the diode.

The invention belongs to the field of resistance test technology of ceramic insulation coatings, and specifically relates to an insulation resistance test device of the ceramic coating under a high pressure state. The device provided by the invention comprises an insulation pedestal, a coating surface resistance shielding device, a pressure transmission device, conductive electrodes and an insulation resistance test system. A specimen with the upper surface of the device coated by the ceramic coating is disposed above the insulation pedestal; the coating surface resistance shielding device covers on the specimen; the pressure transmission device is contacted with the coating surface resistance shielding device and is used for applying pressure to the ceramic coating; two conductive electrodes pass through the coating surface resistance shielding device and are disposed above the coating surface; and the conductive electrodes are accessed into the insulation resistance test system. The device provided by the invention can accurately reflect the resistance size of the ceramic insulation coating under a specific pressure state, and can reflect relationships of the resistance size and the load, thereby preventing influences of the applied high pressure to the ceramic coating electrical insulation performance.

The invention relates to the technical field of parking braking devices, and discloses a self-lock device for carrying trolley parking. The self-lock device comprises a first supporting bar and a second supporting bar arranged on the first supporting bar in a sliding and sleeved mode. The top end of the second supporting bar is fixedly connected with a bottom plate of a trolley body. The side face of the first supporting bar is provided with a first through hole, a first rotating shaft is in clearance fit with the first through hole, supporting plates are hinged to the two ends of the first rotating shaft, and the back sides of the supporting plates are connected with tripping steel ribs in a welding mode. The side face of the second supporting bar is provided with a second through hole, a second rotating shaft is in clearance fit with the second through hole, and connecting plates are hinged to the two ends of the second rotating shaft respectively. The supporting plates are rotationally connected with the connecting plates through a third rotating shaft. The two supporting bars move in the reverse directions through the force exerted on the tripping steel ribs and the supporting plates, the trolley working state and the parking locking state are achieved through locking matching of locking faces of the supporting plates and a lower cushion plate, wheels can leave the ground when a trolley is parked, and the wheels and the ground can be protected.

The invention discloses a high-thrust servo electric cylinder which comprises a bottom plate, a mounting box and a servo electric cylinder body. The top of the bottom plate is fixedly connected with the bottom of the mounting box. The invention relates to the technical field of servo electric cylinders. According to the high-thrust servo electric cylinder provided in the invention, first sliding plates are fixedly connected to the two sides of the bottom of the inner wall of the mounting box. First sliding blocks are connected to the tops of the two first sliding plates in a sliding manner. First sliding grooves matched with the first sliding blocks are formed in the tops of the first sliding plates. The tops of the first sliding blocks are fixedly connected with first rotating blocks. Oneside of the first rotating blocks is rotationally connected with a first movable rod through a rotating shaft. One end of the first movable rod is rotationally connected with a second rotating blockthrough a rotating shaft. The top of a second movable block is fixedly connected with a first supporting plate, so that a very good protection effect can be achieved on the machine body of the servo electric cylinder through the structural arrangement. The degree of mechanical damage to the servo electric cylinder is reduced, and the service life of the servo electric cylinder is prolonged.

The invention discloses a laser spectrum power synthesis system and method and relates to the field of laser spectrum power synthesis. The laser spectrum power synthesis system comprises a spectrum power synthesis module, a light sampler and a plurality of light source modules, wherein the light source modules are all coupled with the spectrum power synthesis module; the spectrum power synthesis module and the light sampler are coupled; the light sampler is coupled with the light source modules. Compared with a spectrum power synthesis system in the prior art, the laser spectrum power synthesis method based on sampling feedback effectively avoids the defect that manufacturing inconsistency of optical fiber bragg gratings causes high probabilities of spectrum mismatching and laser beam quality degradation and effectively improves the quality of synthesized laser beams, and compared with the conventional light source system adopting the single-frequency and phase modulation spectrum widening method, the laser spectrum power synthesis system provided by the invention is simple in structure and low in cost.

The invention discloses a high-precision gyroscope accelerometer floater assembly inertia tensor testing device. The testing device comprises a rotor body assembly, an air bearing sleeve assembly used for supporting a rotor body, a combined sensor, a balance nut, a left end cover, a right end cover, a limiting blocking nail, a left cover, a right cover, a dust blocking net and a mounting disc. A floater assembly of a gyro accelerometer is placed in the rotor assembly; the rotor assembly is placed in the air bearing sleeve assembly; a charging connector is mounted on the side surface of a bearing sleeve, and the rotor assembly is supported by a high-pressure gas to reduce the frictional resistance moment; the left / right end cover plays a role in supporting the rotor assembly, the stator of a function combined sensor is installed on the left end cover, and the rotor is installed on the rotor assembly. The function combined sensor not only can collect the rotation angle position information of the floater assembly, but also can provide the balance torque; the air bearing sleeve assembly is fixed on the mounting disc through a flange; and a assembly comprising the mounting disc is fixed on a rate turntable to realize a rotating state.

The invention discloses an agricultural mechanical seeding device capable of achieving synchronous seeding and material scattering and used for mechanical equipment. The agricultural mechanical seeding device comprises a base body, a torsion spring, a material guide hole and a discharging channel, the upper end of the left side of the base body is fixedly connected with a first material collecting box, a connecting shaft is mounted at the inner side of the upper end of the base body in a penetrating manner, and the outer side of the connecting shaft is fixedly connected with a movable disc; and the movable disc is connected with the inner side of the base body, a first gear is fixedly connected to the outer side of the shaft end of the movable disc, and a second gear is connected to the inner side of the base body through a bearing. According to the agricultural mechanical seeding device capable of achieving synchronous seeding and material scattering and used for the mechanical equipment, in the rotating process of the movable disc, the half-gear-shaped first gear in butt joint with the movable disc drives the meshed second gear with a smaller diameter to synchronously and directionally rotate along with the movable disc, and a connecting piece is driven by the first pull rope in butt joint to perform reciprocating connection treatment along a second material collecting box, so that the working effect of automatic fertilizer spreading is realized, and the working states of sowing and material spreading can be synchronously realized.

The invention relates to a cotton fines recovery technology, in particular to a cotton fines recovery device for spinning, which is used for solving the problems that a cotton fines recovery device cannot be positioned and is easy to slide and needs to be manually operated for a long time. Multiple working states of a base can be achieved through a rotatable turnover mechanism, the position of the base can be flexibly adjusted, the ground clearance of the base can be adjusted, and therefore a collecting opening below the base can be opened and closed, when the driving shaft rotates, and the driving shaft can drive a scraping strip at the bottom and a gear at the top to rotate together. Cotton fines adsorbed on a bottom filter screen are pushed by the scraping strip to be gradually pushed to the outer side of the bottom filter screen, cotton fines on the side filter screen are cleaned through rotation of a rotating cover, and the situation that the bottom filter screen is blocked by the cotton fines after being used for a long time, and the cotton fines collecting effect is affected is avoided. The problems that a cotton fines recovery device cannot be positioned and is prone to sliding and needs long-time manual operation are solved.

The invention discloses a stress data classification method for a pull rod in a quay crane based on a K-nearest neighbor algorithm. According to the method, stress value data is collected through a strain sensor on a section, 2 meters away from a hinge, of the pull rod in the quay crane, and then the data is classified through the K-nearest neighbor algorithm; and stress of a pull rod metal structure under different operation of the quay crane is analyzed by performing statistical analysis on a load state on the section, 2 meters away from the hinge, of the pull rod in the quay crane, and therefore a conclusion is obtained. The working state of the quay crane is acquired from mass engineering actual stress value data, conditions produced in actual use of the quay crane can be analyzed andcontrolled beneficially, and it is convenient to prolong the service life of the quay crane. The method based on the K-nearest neighbor algorithm has the advantages of being simple, easy to use, easyto understand, high in precision and mature in theory and having a better quay crane data classification effect.

The invention discloses a novel water purifier which comprises a UV lamp, a detection current consumption circuit, an ADC circuit, an MCU digital processing unit and WIFI modules, wherein the UV lamp, the detection current consumption circuit, the ADC circuit and the MCU digital processing unit are connected through the WIFI modules, the UV lamp is connected with an intelligent water taking device, the detection current consumption circuit is internally provided with a water quality detection module which comprises a circuit module and a sensor module, and the WIFI modules are connected with a cloud server. The novel water purifier has the functions of remote charging and intelligent detection and further is capable of preventing bacteria from exceeding standard and giving alarming information about water quality information.

An infusion device, which is composed of an infusion pump and a disposable infusion set with a needle, is characterized in that: the pump door is arranged on the housing, a plate-shaped wrench is arranged on the outside of the pump door, and a second wrench is fixed on the wrench. A column; the first column is provided with a socket, the inner side of the pump door is provided with a pump door switch, one end of the pump door switch is provided with a hook, and the other end is plugged into the socket, the pump door switch and A first spring is provided between the wrenches; a lock groove is provided in the housing, and the hook can cooperate with the lock groove; a liquid stop clamp is provided in the housing, and a second spring is provided between the liquid stop clamp and the housing. Composed of a tail, a trunk and a head, the housing is fixed with a step at a position corresponding to the trunk; the inner side of the pump door is provided with a second column and a third column. The infusion device of the present invention has simple structure, convenient operation, and higher accuracy, safety and reliability during infusion.

The invention relates to a 150V voltage stabilizing direct current power supply circuit in a method of increasing recovery efficiency of an oil field by a direct current field. A transformer of the 150V voltage stabilizing direct current power supply circuit in the method of increasing recovery efficiency of the oil field by the direct current field is serially connected with a fuse, the fuse is connected with a bridge type rectifier circuit, two ends of the bridge type rectifier circuit are connected in parallel with a first capacitor, one end of the first capacitor is connected with a first-stage voltage limiting circuit, the other end of the first capacitor is grounded, the first-stage voltage limiting circuit is connected with the input end of a voltage stabilizer, the output end of the voltage stabilizer is connected with a second-stage voltage stabilizing circuit, a diode with a reversal protection function is connected between the first-stage voltage limiting circuit and the second-stage voltage limiting circuit, the output end of the second-stage voltage limiting circuit is connected with a third capacitor, the other end of the third capacitor is grounded, and a voltage stabilizing diode is connected between a base electrode end of a second-stage voltage limiting triode of the first-stage voltage limiting circuit and the output end of the second-stage voltage limiting circuit. The 150V voltage stabilizing direct current power supply circuit has higher voltage stabilizing precision, and realizes a required working state.

The invention relates to a control method and a control system of zero-spark high-voltage electrostatic dedusting power supply, the system comprises an additional detecting electrode, a spark voltage generating circuit unit, a high-voltage measuring circuit and a microcomputer control unit. Through an additional electrode device that is arranged in a flue gas passage, the detecting electrode is connected with a detecting voltage generating circuit, disruptive critical voltage of the additional electrode is detected, and the critical disruptive voltage of a dedusting electric field is computedby a linear relation. The control method and system of the disruptive critical voltage detection of flue gas medium are characterized by simple structure, quick response speed, zero-spark in the dedusting electric field, and the like.

A tractor hydraulic system cleaning device belongs to the technical field of agricultural machinery equipment. Mainly used for cleaning tractor hydraulic system and hydraulic components. The device is composed of cleaning system 1, cleaning system 2 and control system. System 1 is a hydraulic component cleaning system, which consists of cleaning oil tank, heating system, motor pump unit, proportional overflow valve, flow control valve, quick change joint group, It consists of a pressure gauge, a combined filter device, a cooler, and an online pollution detection device; the cleaning system 2 is a tractor hydraulic system circuit cleaning system, which is composed of a motor pump unit, a proportional overflow valve, and a flow control valve. The control system consists of a controller, cleaning status Display device, cooling control device, heating control device, pollution degree detection device, proportional pressure regulating system and temperature, pressure, flow sensor, in order to complete the cleaning system for the cooler, heater, cleaning time, cleaning pressure and temperature, pressure, Flow display control.

The invention relates to the technical field of parking brake devices, and discloses a parking self-locking device for a transport trolley, which includes a first support rod and a second support rod slidably set on the first support rod, and the top end of the second support rod is connected to the first support rod. The bottom plate of the trolley body is fixedly connected; the side of the first support bar is provided with a first through hole, the first rotating shaft is in clearance fit with the first through hole, the supporting plate is respectively hinged with the two ends of the first rotating shaft, and the rear side of the supporting plate is welded with a buckle the steel bar; the side of the second support rod is provided with a second through hole, the second rotating shaft is in clearance fit with the second through hole, and the two ends of the second rotating shaft are respectively hinged with connecting plates; the supporting plate and the connecting plate are rotated through the third rotating shaft Connection; Relying on the force applied to the trip steel bar and the support plate, the two support rods move towards each other, and the locking surface on the support plate is locked and matched with the lower backing plate to realize the working state of the trolley and the locked state of parking, and can When the trolley is parked, the rollers are separated from the ground, which is beneficial to the protection of the rollers and the ground.

The invention relates to the technical field of gas detection and provides a light interference gas detection device capable of automatically carrying out analysis processing on light interference fringes. The light interference gas detection device comprises a light source, a light path, a gas circuit, an image sensor, an acquiring circuit, a fringe analysis processing module and a working condition detection module, wherein the image sensor is used for converting the light interference fringes into an electric signal; the acquiring circuit is used for acquiring fringe waveform data from data output by the image sensor; the fringe analysis processing module is used for carrying out analysis processing on the fringe waveform data acquired by the acquiring circuit; and the working condition detection module is used for evaluating the working condition according to an analysis processing result of the fringe waveform data. The invention also discloses a working condition detection method of the light interference gas detection device. According to the light interference gas detection device and working condition detection method provided by the invention, the anti-interference capacity, the safety and the reliability of the detection device can be improved.

A device for displaying the state of information processing system is composed of a detection unit for detecting current state, buffer unit for storing current state, display unit for displaying current state, and timer unit for updating current state.

The invention discloses a high-thrust servo electric cylinder which comprises a bottom plate, a mounting box and a servo electric cylinder body. The top of the bottom plate is fixedly connected with the bottom of the mounting box. The invention relates to the technical field of servo electric cylinders. According to the high-thrust servo electric cylinder provided in the invention, first sliding plates are fixedly connected to the two sides of the bottom of the inner wall of the mounting box. First sliding blocks are connected to the tops of the two first sliding plates in a sliding manner. First sliding grooves matched with the first sliding blocks are formed in the tops of the first sliding plates. The tops of the first sliding blocks are fixedly connected with first rotating blocks. Oneside of the first rotating blocks is rotationally connected with a first movable rod through a rotating shaft. One end of the first movable rod is rotationally connected with a second rotating blockthrough a rotating shaft. The top of a second movable block is fixedly connected with a first supporting plate, so that a very good protection effect can be achieved on the machine body of the servo electric cylinder through the structural arrangement. The degree of mechanical damage to the servo electric cylinder is reduced, and the service life of the servo electric cylinder is prolonged.

The embodiment of the present invention discloses a frequency reconfigurable antenna based on a substrate integrated waveguide and a preparation method thereof. The antenna includes: a substrate integrated waveguide with annular slits and long slits on the upper surface; A patch is formed; multiple PIN diodes are arranged in the annular gap, and the two ends of the diodes are connected to the upper surface of the substrate integrated waveguide and the patch, and the bias state of the diode is controlled to control the connection between the patch and the substrate integrated waveguide. The upper surface is connected or disconnected; when the diode is turned on, the patch is connected to the upper surface of the substrate integrated waveguide, and radiates through the long slot on the upper surface to realize the working state of the first frequency band; when the diode is cut off, the patch It is disconnected from the upper surface of the substrate integrated waveguide, and the working state of the second frequency band is realized through the patch radiation on the upper surface. The invention can realize the switching between different bands of the antenna by controlling the bias state of the diode.

The invention discloses a reverse Brayton low-temperature box rapid refrigerating system which comprises a cooler, an expansion machine, a turbine compressor, an aftercooler and a heat regenerator which are sequentially and circularly communicated through a pipeline and located in a box body, the turbine compressor and the expansion machine are driven by a high-speed motor, and the reverse Brayton low-temperature box rapid refrigerating system further comprises an electric control device which is connected with the turbine compressor and the high-speed motor; a bypass pipeline used for producing a temporary gas short circuit phenomenon is arranged between an outlet pipeline of the aftercooler and an inlet of the turbine compressor, and a bypass electromagnetic valve is arranged on the bypass pipeline and connected with the electric control device. The invention further discloses a corresponding operation control method. According to the technical scheme, the operation power of the turbine compressor and the high-speed motor is improved through the designed airflow short-circuit phenomenon in the initial starting stage of the system, and the airflow short-circuit phenomenon is ended after the operation power is improved, so that the purpose of rapid refrigeration is achieved by rapidly improving the operation power of the system.