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 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 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 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 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 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.

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.

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.