44results about How to "Solve unstable connection" patented technology

The invention discloses a drainage tube fixing device which comprises a base and a tightening rope. The bottom face of the base is provided with medical proof fabric, the base comprises a fixed base and a turnover cover, the front end face of the fixed base is provided with a U-shaped portion, the top face of the fixed base is provided with a boss, the top face of the boss is provided with a first through hole and a second through hole, the top faces of two connecting arms of the U-shaped portion are respectively provided with an elastic locking column, the front end of the turnover cover is hinged to the front end of the front end of the U-shaped portion, the two side faces of the turnover cover are provided with clamping grooves matched with the locking columns, one end of the tightening rope penetrates out of the first through hole from bottom to top and is fixed in the second through hole to form a grommet, and the other end of the tightening rope penetrates out of the rear end of the fixed base. The drainage tube fixing device is simple in structure, and is capable of effectively fixing a drainage tube, thoroughly solving the problem that components are unstable in connection, preventing the drainage tube from being pulled out of the body, preventing the situation that the drainage tube is pulled to cause pain of patients from occurring, and conveniently and simply opening a cover to conduct observation, medicine changing and cleaning care on drainage wounds.

The invention relates to a wire plugging device. The wire plugging device comprises an insulating shell, a conductor and an elastic locking assembly, wherein the elastic locking assembly and the conductor are located in the insulating shell, the conductor is connected with the elastic locking assembly, the elastic locking assembly is provided with a locking piece, an operating piece and an elastic piece, the operating piece and the locking piece are oppositely attached within a certain length range, the operating piece can do linear reciprocating sliding motion relative to the locking piece, the elastic piece is limited in a cavity jointly enclosed by the operating piece and the locking piece through the operating piece and the locking piece, and the operating piece applies force to the elastic piece through pressing operation to enable the elastic piece to deform so as to drive the free end of the elastic piece to be close to or far away from the locking piece, thereby pressing or loosening a cable. According to the invention, stable limiting of the elastic piece is guaranteed, and the problem that connection between a cable and an electric conductor is not stable is well solved; and the operating piece can be prevented from deviating, the elastic piece can be accurately and effectively compressed or restored, the cable can be accurately assembled and disassembled, assembling is simple, and production procedures are reduced.

The invention discloses a method for adaptively updating a receiving window of Bluetooth slave equipment, and the method comprises the following steps: opening the receiving window, setting the starting point moment of a connection event in each receiving period as T2, enabling the T2 moment to be interrupted, and allocating a counter with an initial value of N to the T2 moment; judging whether the numerical value in the counter is 0 or not when interruption is generated at each T2 moment, and if not, subtracting 1 from the numerical value in the counter; if so, closing the receiving window; in the window period of the receiving window, receiving the demodulation completion signal through the baseband and judging the numerical value in the counter at the current moment, if the numerical value is 0 or N, updating the clock parameter of the current slave device, and aligning the starting point moment of the connection event with the starting point of the current data packet; otherwise, directly receiving the data packet and decoding the data. According to the method, a receiving window of the Bluetooth slave device is arranged, so the problem of unstable connection of the low-power-consumption Bluetooth slave device is solved; by dynamically adjusting the opening time of the receiving window, the stability of the slave device is improved, the windowing time is reduced as much as possible, and power consumption is reduced.

Disclosed are a straw-steel composite fabricated load-bearing wall and a manufacturing method thereof. At present, most of adopted fabricated composite wall bodies use ordinary concrete as a structural layer, and the thermal insulation performance of the ordinary concrete needs to be improved; a current solution is that fine stone concrete is adopted, while the method takes strength sacrifice as prerequisite, and the most of current concrete composite wall bodies are non-load-bearing wall bodies; and it is the research direction at the present stage to develop a composite wall body which can bear and is good in heat insulation performance. The straw-steel composite fabricated load-bearing wall comprises a steel frame used for assembling, and the two inner wall side surfaces of the steel frame are provided with steel wire nets; a defined space in the steel frame is filled with straw plates, and wall body vertical connecting openings used for direct abutting joint are formed in the upperend and the lower end of the steel frame; and wall body connecting openings used for staggered abutting joint are formed in the left end and the right end of the steel frame.

The invention discloses a test method of network connection stability and an apparatus thereof. The method comprises the following steps of under a data transmission state, carrying out data transmission condition detection and acquiring a data transmission information statistics table, wherein the data transmission information statistics table records a time point and data transmission information corresponding to the time point; according to the data transmission information statistics table, determining an interruption time quantum of network connection interruption; and according to the interruption time quantum, determining stability of network connection. In the technical scheme, the interruption time quantum of network connection interruption can be automatically determined and network connection stability of a terminal is determined too; and operation of a test person is reduced and convenience is brought for the test person.

The invention belongs to the technical field of communication, and discloses a power signal composite cable. The cable comprises cross node equipment, a plastic packaging external sheath, and at least two base material cables, wherein each base material cable comprises a first signal line, a second signal line, a live line, a ground wire, and a base material cable external sheath wrapping a cable harness formed by the above cable. The two adjacent base material cables are connected with each other through the cross node equipment, and the cross node equipment is provided with a PCB. The PCB is provided with a signal processing module and a signal receiving and transmitting module. Four quadrant regions of a cross-shaped structure of the cross node equipment are respectively provided with a cross welding point. The corresponding first signal lines, second signal lines, live lines and ground wires of the two adjacent base material cables are respectively connected through the cross welding points in the four quadrant regions. The plastic packaging external sheath is formed outside all base material cables and the cross node equipment in a plastic packaging manner. The cable can solve problems that the wiring construction efficiency is low in a butting process of the cable with external equipment, and a wiring system is poor in flexibility.

The invention provides a printed circuit board manufacturing method. The printed circuit board comprises a bent area and non-bent areas which are arranged at two sides of the bent area. The manufacturing method comprises the steps of (1), designing information of a circuit pattern, drilling holes and a profile, wherein only a connecting line is designed at a portion which corresponds with the bent area in designing the circuit pattern, and outputting an image negative film; (2), manufacturing a flexible copper-plated circuit board; (3), performing preprocessing on a hard copper-plated board and PP board; (4), pressing the flexible copper-plated board and the hard copper-plated board for combining; (5), drilling; (6), manufacturing a hard copper-plated circuit board; and (7), molding. According to the printed circuit board manufacturing method, a circuit board device and a line are reasonably planned, and furthermore an arc-shaped bent part is arranged at an area intersection, and problems such as fracture and component falling at the bent area can be effectively prevented, and service life of the circuit board is prolonged. According to the flexible bendable area in the circuit board, the flexible circuit board and the hard circuit board are pressed for forming a whole member, and a problem of unstable connection in a rigid-flexible printed circuit board in a buckle connecting form is effectively settled.

The invention discloses a pipeline joint for oil field gas production. The pipeline joint for the oil field gas production is characterized in that the pipeline joint comprises a gas production pipe and a flange; one end of the gas production pipe is in sleeve connection with the flange; one end of the flange is communicated with a second sleeve through bolt threads; multiple telescopic rods are in interspersed arrangement on the inner walls of both sides of the second sleeve; springs are sleeved on the outer portions of the multiple telescopic rods; gas pipe fixed jackets are disposed on bothends of the multiple telescopic rods; one ends of the multiple springs are respectively fixedly connected with the outer walls of both sides of the gas pipe fixed jackets; sealing strips are mountedinside the two gas pipe fixed jackets. The pipeline joint for the oil field gas production has the advantages of facilitating an operator to fix the gas production pipe with the arrangement of regulating valves, bolts, the telescopic rods and the gas pipe fixed jackets, solving the problem of air leakage caused by poor sealing between a gas pipe and another gas pipe, enhancing the oxidation resistance of sleeves with anti-rust paint applied to the surface of the first sleeve and the second sleeve, and extending service life.

The invention discloses a WiFi (wireless fidelity) based voice service testing synchronizing method and system. The WiFi based voice service testing synchronizing system comprises a caller device, a receiver device and a control device, wherein the control device is in communication connection with the caller device and the receiver device respectively to form two information interaction links. The caller device and the receiver device are in communication connection with the control device respectively through the WiFi network. The information interaction links include one of the caller device-the control device-the receiver device and one of the receiver device-the control device-the caller device. Compared with the prior art, the WiFi based voice service testing synchronizing system solves the problems of inconvenience in carrying and instability in dataline connection and the problem that test terminals cannot be accurately and synchronously tested, and stability of testing process is effectively guaranteed.