46results about How to "Troubleshoot fragile tech issues" patented technology

The invention discloses a method and a device for charging detection on USB type C equipment. The method comprises steps that a voltage of a configuration signal of the USB type C equipment is acquired; whether the voltage of the configuration signal surpasses a first threshold is detected; if the voltage of the configuration signal is detected to surpass the first threshold, high voltage charging for the USB type C equipment is forbidden; if the voltage of the configuration signal is detected to be lower than the first threshold, high voltage charging for the USB type C equipment is permitted. The method is advantaged in that a technical problem that the configuration signal can be easily damaged during high voltage charging for the USB type C equipment in the prior art is solved.

The invention discloses an automatic opening method for an automobile trunk. The automatic opening method comprises the steps of obtaining an activating signal sent out by a position sensing device, sending a verifying signal to an electronic automobile key and obtaining a feedback signal fed back by the electronic automobile key, matching safety information with prestored safety information, sending an opening signal to a trunk opening device to control the trunk to be opened if the safety information is successfully matched with the prestored safety information, and finishing operation if the safety information does not match with the prestored safety information. In addition, wherein the activating signal is generated when a position relationship between a user and an automobile meets a set condition, the position relationship is detected by the position sensing device, and the feedback signal carries the safety information stored in the electronic automobile key. When the user needs to use the automobile trunk, the automobile trunk can be automatically opened at an appropriate moment through the method. Furthermore, manual operation like pressing buttons is avoided, the problem that an existing automobile trunk is inconvenient to open for use is effectively solved, and the technical problem that an opening structure is prone to being damaged in repeated use is solved.

The invention discloses a preparation method of a chitosan composite preservative film. The preparation method comprises the following steps: dissolving chitosan in an acetic acid solution, heating to 50 to 65DEG C, and stirring until the chitosan is completely dissolved, so as to obtain a solution A; dispersing modified nano carbon crystal in the solution A, wherein the adding amount of the modified nano carbon crystal is 1 to 9 percent; then adding a plasticizer which accounts for 0.2 to 1 percent of the volume of the solution A, and carrying out stirring, ultrasonic dispersion, standing and ultrasonic degassing for 10 to 15 minutes to obtain a solution B; casting the solution B to form a film, standing and drying at the drying temperature of 35 to 55DEG C; then putting into 0.01 to 0.02mol/L of NaOH solution, soaking for 0.5 to 1 hour, flushing with distilled water, uncovering the film and drying in the sun to obtain the composite preservative film. The chitosan composite preservative film disclosed by the invention has relatively low water vapor permeability, so that excessive loss of water in fruits and vegetables is avoided; the chitosan composite preservative film has relatively good sterilizing function and strong antibacterial durability, i.e., an obvious sterilizing effect can be realized within one hour, and the antibacterial rates for escherichia coli and staphylococcus aureus after 48 hours still can reach 90 percent or above, so the preservation time of the fruits and the vegetables is prolonged.

The invention discloses an embedded type runway illumination device, belonging to the field of illumination devices. The embedded type runway illumination device comprises a shell assembly. The shell assembly comprises a surface cover and a rear shell, wherein the surface cover and the rear shell are fixedly connected with each other and form a holding chamber. The embedded type runway illumination device additionally comprises an LED assembly and a radiating construction member, wherein the LED assembly is fixedly connected on the radiating construction member. The LED assembly and the radiating construction member are arranged in the holding chamber and are fixed on the shell assembly. A first flanged part is arranged on the surface cover in a protruding way. A second flanged part is arranged on the rear shell in a protruding way. A radiating flange is arranged on the external side of the radiating member in a protruding way and is clamped between the first flanged part and the second flanged part. Through using the LED assembly as a light source and arranging the radiating construction member, the invention has the advantages that the LED assembly can work under proper temperature, the maintenance cost of the product is reduced and the service life of the product is prolonged.

The invention discloses plate carrying equipment for wall decoration, including a mobile chassis, two conveying cross rods are mounted at the top of the movable chassis; the two transmission wheels are in transmission connection through a conveying belt; a first limiting mechanism is movably mounted on the supporting side rod; second limiting mechanisms are installed on the outer side faces of thetwo conveying transverse rods, an output shaft of a rotary air cylinder is fixedly connected with one end of a connecting air cylinder, a suction plate mechanism is fixedly installed at the other endof the connecting air cylinder, an angle adjusting motor is fixedly installed at the bottom of the movable chassis, and one end of a second connecting rod is connected with a rotary shaft connectingplate. Decorative plates do not need to be lifted to the conveying belt, the labor intensity is greatly reduced, the positions of the decorative plates can be straightened, subsequent decoration of the decorative plates is facilitated, meanwhile, the stability of the decorative plates in the conveying process is guaranteed, the decorative plates can be rapidly installed, convenience and rapidnessare achieved, and the working efficiency is improved.

The invention provides an expansion joint protection device, and relates to the technical field of bridge facilities. The expansion joint protection device comprises a first side face (1), a second side face (2), a steel plate (6) and a threaded rod (8), trapezoid faces (3) are arranged on the sides, close to the threaded rod (8), of the first side face (1) and the second side face (2) correspondingly, bases (11) symmetrical about the threaded rod (8) are installed on the first side face (1) and the second side face (2) correspondingly, each base (11) comprises a first installation groove (5) and a second installation groove (9), and sliding blocks (15) are arranged on the two sides of the inner wall of each second installation groove (9). The sliding blocks (15) are connected through sliding rods (10), buffering strips (12) are arranged at the two ends of the steel plate (6) and the two ends of the base (11), the buffering strips (12) are of an arc-shaped structure or a sawtooth-shaped structure, the buffering strips (12) are filled with flexible materials (13), and the flexible materials (13) are formed by mixing asphalt and semi-flexible pavement materials. The expansion joint can be protected, and daily loss of the expansion joint is reduced.

The invention provides an efficient airtightness faucet for an engineering driller. The faucet comprises a rotation core tube and a rotation shell body; bearings are respectively installed at the twoend heads of the rotation core tube, and the rotation shell body sleeves the rotation core tube; rotation seals are installed on the sides of the bearings, and bearing end covers are arranged on the other sides of the bearings; end cover seals are arranged in the bearing end covers and connected with the bearings, and soft steel base plates are arranged on the sides of the bearings and the bearingend covers; a gooseneck is arranged in the middle of the rotation shell body. Through the ingenious design of the structure, the performance requirements of good airtightness, work stability, safetyand reliability, long service life and quick and convenient replacement are met, the technical problems that the airtightness performance is poor, and a sealing piece can be easily damaged are solved,the faucet can met the technical requirement that the efficient airtightness is achieved in any severe environment, and the working efficiency is improved.

The invention discloses a space-saving oil conveying pipeline supporting device. The device comprises a supporting column. The upper end of the supporting column is connected with four embedded blocks. The embedded blocks are connected with an embedded circular ring. Drip holes are formed in the surface of the embedded circular ring. The lower surface of a collecting box is connected with the upper surface of a first circular ring. The upper end of one baffle is connected with the left side face of the collecting box, and the upper end of the other baffle is connected with the right side face of the collecting box. The upper surface of the collecting box is connected with a plastic net. One end of a water pipe is connected with the collecting box, and the other end of the water pipe is connected with the embedded circular ring. One end of a third support is connected with the side face of the supporting column, and the other end of the third support is connected with an alarm structure. The technical effects that equipment design is reasonable, an oil conveying pipeline is installed at the high position of the ground surface, the ground surface space is saved, safety is high, maintaining is convenient, and the oil conveying pipeline is well protected are achieved.

The invention provides a display equipment lateral box and display equipment, and relates to the technical field of wire drawing boxes. The display equipment lateral box comprises a circuit board bearing box body connected to the interior of a display equipment body; a sliding cavity is formed in the side face of the display equipment body and used for containing the circuit board bearing box body; a sliding rail is arranged in the sliding cavity, a telescopic rod is arranged on the circuit board bearing box body, and the telescopic rod is connected to the interior of the sliding rail; the telescopic rod can slide in the sliding rail so that the circuit board bearing box body can enter the sliding cavity, or the circuit board bearing box body slides out along the sliding cavity. The problems that a rear repairing cover of a display needs to be dismantled so that connection of the display is not fixed, and internal circuit wires are prone to being damaged in the repairing process are solved. The sliding cavity is formed in the side face of the body, the telescopic rod moves on the sliding rail to make the circuit board bearing box body slide in or out of the sliding cavity, and thusrepairing can be conducted conveniently.