49results about How to "Eliminate potential hidden dangers" patented technology

The present invention proposes a device delivery device for clinical use in anesthesiology to solve the problem that the height of a single-layer space cannot be independently adjusted. Vertical sliding connection, the bottom loading plate is vertically sliding connected with the carrier; there are hierarchical differential drive devices on the carrier, and the hierarchical differential drive devices are covered by multiple differentials sharing the planet carrier from small to large Design composition; the upper half-shaft group in the hierarchical differential drive device is screwed with the multi-layer loading plate from top to bottom from the inside to the outside, and the pitch is equal, and the lower end of any half-shaft in the lower half-shaft group Protruding downward from the bottom of the outer shaft adjacent to any of the half shafts, there are a plurality of locking parts corresponding to each half shaft in the lower half shaft group on the carrier; there are planets on the carrier The driven bevel gear coaxially connected with the carrier and the driving bevel gear meshed with the driven bevel gear, and the driving part connected with the driving bevel gear on the carrier.

The invention relates to an ultrasonic welding method and a photovoltaic module for welding through the ultrasonic welding method. The ultrasonic welding method is used for welding and connecting interconnected metal wires to a ceramic function thin film on the surface of a photovoltaic battery, wherein the welding frequency of ultrasonic welding ranges from 15 kHz to 65 kHz, the interface pressure density ranges from 0.01 Mpa to 6 Mpa, the time ranges from 1 ms to 500 ms, the welding temperature ranges from 25 DEG C to 350 DEG C, and the ceramic function thin film is a metal-rich ceramic thin film in non-uniform chemical proportion. A photovoltaic battery in the photovoltaic module is electrically connected with other photovoltaic batteries through the interconnected metal wires, and the interconnected metal wires are welded and connected to the ceramic function thin film on the surface of the photovoltaic battery in an ultrasonic welding mode. The method and the photovoltaic module have the advantages that compared with the traditional interconnection technology of the thin interconnected metal wires and the photovoltaic battery, the wires are directly arranged on and welded to the surface of the photovoltaic battery through the innovative ultrasonic welding technology, transparent thin films and adhesives are omitted, cost is reduced, and reliability is improved.

The invention provides a capacitor state detection method, which is characterized by at least comprising two coils, wherein the coils are arranged on two sides of a capacitor respectively, and the coils are coaxially arranged. The two coils are electrified and controlled to generate stable magnetic fields as well as an electric field between the two coils, magnetic flux penetrating the capacitor and a capacitance value between the two coils are detected, and the state of the capacitor is determined according to changes of the magnetic flux and the capacitance value. The capacitor state detection method and a capacitor state detection system provided by the invention can detect external state and internal state of the capacitor accurately, discover the state change of the capacitor timely and carry out corresponding processing on the changed capacitor, eliminate potential risks in a power grid, ensure power supply stability, reduce the use of manpower, reduce labor costs, and improve the detection efficiency and accuracy.

The invention belongs to the field of disassembling and overhauling devices for equipment in transformer stations, and relates to a disassembling tool for GW17 type disconnecting switch with a 220V voltage grade, in particular to a device special for disassembling a disconnecting switch ejector rod clamping spring. The device special for disassembling the disconnecting switch ejector rod clamping spring comprises a base (11), a supporting column (1) is arranged at one end of the base (11), a clamping spring ejector rod seat stand (10) is arranged at the other end of the base (11), a pressure arm fixing sleeve (3) is arranged at the upper end of the supporting column (1), a connecting wrench (4) is arranged on one side of the pressure arm fixing sleeve, the connecting wrench is connected with a pressure arm (6) through a movable shaft (5), a pressure arm handle (9) is arranged at the front end of the pressure arm, a pair of snap ring connecting plates (7) are hung and connected on the pressure arm, and snap rings (8) are connected to the lower portions of the snap ring connecting plates (7). The device special for disassembling the disconnecting switch ejector rod clamping spring can fully solve the problem that the GW17 type disconnecting switch spring is inconvenient to disassemble and the like, overhauling personnel can be prevented from using brute force to cause decline of equipment precision or even damage equipment, the safe reliability of the working of the personnel can be improved, working intensity can be lowered, working time can be saved, and efficiency can be improved.

The invention provides an automobile ventilation and refrigeration system based on a flexible photovoltaic sunshade curtain, and relates to ventilation and refrigeration of automobiles. The automobile ventilation and refrigeration system comprises an energy converting unit, a circuit protection unit, an energy storage unit, a monitoring system, a system management unit and an execution unit, wherein all the units comprise parts or modules as follows: the energy converting unit is provided with a flexible colored semitransparent organic polymer solar battery; the circuit protection unit is provided with a voltage stabilizing circuit, a rectifying circuit and an inverter circuit; the energy storage unit is a vehicle-mounted lead storage battery; the monitoring system is provided with an air quality detector, a temperature sensor and a battery power detector; the system management unit is provided with a charging and discharging control module and an execution control module; and the execution unit is provided with a vehicle-mounted air conditioner and a fan. The energy converting unit is arranged behind a windshield, and the circuit protection unit, the energy storage unit, the monitoring system, the system management unit and the execution unit are arranged in a control booth. The automobile ventilation and refrigeration system disclosed by the invention is simple to operate and convenient to store; the problems that temperature in the compartment of the automobile is too high and air quality is poor when the automobile is in a parking state in summer are solved, and potential risks caused by too high temperature in the compartment and poor air quality are eliminated, so that the automobile ventilation and refrigeration system is beneficial to health of human; and besides, the automobile ventilation and refrigeration system is energy-saving and environmentally-friendly, and meets the age demand for sustainable development.

The present invention provides a circuit and method for detecting the reliability of the power supply of copper bars for a server in a complete cabinet. The present invention detects the contact voltage drop before and after the contact point of the node server by adding the detecting circuit, calculates the actual resistance value of the contact resistance, and compares it with the actual resistance value of the contact resistance. The standard organization conducts comparison, and evaluates the contact state according to the comparison result, so as to realize real-time monitoring of the contact state between the node power connector and the copper bar. Compared with the traditional control method, the invention can quickly locate the problem and save the time for troubleshooting; the identification accuracy is high, and by monitoring the contact voltage drop, it is not disturbed by the fluctuation of the power supply voltage of the copper bar; the monitoring work is performed in real time, which can effectively identify Instantaneous and continuous poor contact of the connectors can effectively eliminate the potential hidden dangers of the entire cabinet server and ensure the stable operation of the server; real-time recording of abnormal contact alarms, timely sending of alarm signals, to prevent the server from working in an abnormal state, and to provide maintenance personnel with maintenance. in accordance with.

The invention relates to a device and system for detecting liquid and foam in a gas transmission pipeline, the device comprising a first gas transmission pipeline, a sensor, a flow switching valve, a second gas transmission pipeline, a liquid transmission pipeline and a control unit , the gas outlet of the first gas transportation pipeline is connected to the inlet of the flow switching valve, the gas outlet of the flow switching valve is connected to the inlet of the second gas transmission pipeline, and the outlet of the flow switching valve The liquid port is connected to the liquid inlet of the liquid transmission pipeline; the sensor is installed on the first gas transmission pipeline, and the sensor and the flow path switching valve are respectively electrically connected to the control unit, and the detection device is used for gas detection device, the gas generator gas outlet of the gas detection device is connected to the inlet of the first gas transmission pipeline, the gas outlet of the second gas transmission pipeline is connected to the gas detector of the gas detection device, and the liquid transmission pipeline The liquid outlet is connected to the waste liquid cup.

The invention discloses a cam mechanism and rotating ring forced resetting device for a fingerprint lock and relates to the field of anti-theft locks. According to the cam mechanism and rotating ring forced resetting device for the fingerprint lock, the main improvement is that the specific structure and the assembling mode of an overload protection device of the cam mechanism are changed; a collision bead sliding way, a collision bead spring and the like are radially assembled onto a cam shaft which is amplified locally; meanwhile, a collision bead large in diameter is adopted, on one hand, it is guaranteed that the idle function of the cam mechanism is stable and reliable, and on the other hand, space can be saved; the rotating ring forced resetting device which is simple and easy to implement can be arranged conveniently so that potential dangers can be eliminated; in addition, the resetting device is free of wear in routine operation and low in production cost; and meanwhile, axial dimensions and radial dimensions of main components of a double clutch can be increased so that reliability of the double clutch and safety of the lock can be improved.

The invention belongs to the field of big data processing, and in particular relates to a method for processing standard cost operation data of a power system based on a proportioning model, comprising: S1: obtaining historical operation data after accounting from the power system; S2: according to the historical operation data in the historical operation data Establish a proportioning model for the number of newly added main equipment, the number of new auxiliary equipment and the amount of material loss; S3: Extract the job information in the newly added operation voucher; S4: Determine the number of newly added main equipment and newly added auxiliary equipment in the job information And whether the ratio between the material loss amounts conforms to the corresponding proportioning model, if so, it is judged that the newly added operation voucher has passed the accounting; if not, it is judged that the newly added operation voucher has not passed the accounting. The invention considers the proportioning relationship among the quantity of newly added main equipment, the quantity of newly added auxiliary equipment and the amount of material loss in the calculation of the newly added operation voucher, so that the newly added operation voucher can be calculated more accurately.