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 provides a corner protection device, which comprises a sliding rail shaft, a corner protection and position clamping mechanism and a corner protector, wherein the sliding rail shaft is fixed on an LED display screen unit box body, the corner protection and position clamping mechanism is fixed on the side wall of the top part of the LED display screen unit box body, the corner protector is arranged on the sliding rail shaft, and the corner protection and position clamping mechanism can fix the corner protector on the top part of the LED display screen unit box body when the cornerprotector slides to the top part of the same, so as to protect the top part of the LED display screen unit box body. The invention further discloses the LED display screen unit box body, which comprises the corner protection device mentioned in any of the above technical schemes and a supporting member arranged on the side wall of the LED display screen unit box body. When the corner protector isfixed on the top part of the LED display screen unit box body, the supporting member and the corner protector can support the LED display screen unit box body on a supporting platform jointly, thus the corner protector can protect the LED display screen unit box body more stably.

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 a method for controlling an electronic device, and the electronic device. The electronic device comprises a first voice acquisition device, wherein M application programs are installed on the electronic device, and M is an integer of greater than or equal to 1. The method comprises the following steps of: during the starting of a first application program in the M application programs, judging whether the first voice acquisition device needs to be started when the first application program is in a working state; generating a first control instruction if the first voice acquisition device needs to be started when the first application program is in the working state; controlling the first voice acquisition device to be in the working state by executing the first control instruction, so that the first voice acquisition device can acquire at least two voice information including first voice information and second voice information, wherein the first voice source of the first voice information and the second voice source of the second voice information are different.

The invention discloses an in-core neutron flux monitoring device and a measuring circuit protecting method. The device comprises a self-powered detector and a secondary instrument measuring circuit, wherein a releasing device is connected between the self-powered detector and the secondary instrument measuring circuit, so that technical effects that electric energy generated by the self-powered detector is released, the secondary instrument measuring circuit is protected and the in-core neutron flux monitoring device is not easy to damage are realized.

The invention relates to a rear position lamp device of the motor tricycle and the electrombile LED (light-emitting diode) and an application method thereof. According to the rear position lamp device of the motor tricycle and the electrombile LED and the application method, the total reflection of LED incident light is realized, the light utilization rate reaches 95%, rear position lamp light can be quickly clear light and shade, uniform and marked, and is easy in identification and judgment, and safe and reliable, the indicating quality and the beautifying effect are obviously improved, the power is reduced by 75%, the heat dissipation is easy, the premature aging and the breaking are avoided, the maintenance load and the cost are reduced, the service life is effectively prolonged by more than 2 times, energy is saved, the environment is protected, and the burden of eyes and the awareness in driving is greatly reduced. The rear position lamp device is composed of an LED reversing lamp light-transmitting mirror, LED drive-brake lamp combined light-transmitting mirrors, an LED steering lamp light-transmitting mirror, LED rear position lamp parabola reflecting mirrors, an LED rear position lamp integrated lamp plate, an LED rear position lamp heat dissipation insulated rear casing, LED wire lines and wire connecting terminals. The LED rear position lamp heat dissipation insulated rear casing is correspondingly arranged on one side of the LED reversing lamp light-transmitting mirror.

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 relates to the technical field of valves, in particular to a low-torque self-cleaning flat plate gate valve capable of being quickly opened and closed. The low-torque self-cleaning flatplate gate valve capable of being quickly opened and closed comprises a valve body, a lifting mechanism, a valve seat and a pressure-bearing mechanism, wherein the valve seat comprises a sealing ringarranged on the valve seat, an elastic assembly and a clearing assembly; the pressure-bearing mechanism comprises a traction assembly arranged on the valve body and a supercharge assembly connected with the traction assembly; the supercharge assembly is arranged on a gate; in a process of driving the gate to move downwards by the lifting mechanism, the supercharge assembly supports the gate, so that the gate gets close to the clearing assembly while the supercharge assembly overcomes ballast force, on the gate, of a flowing medium; and special structures of the pressure-bearing mechanism and the valve seat are arranged, so that in a lifting process of the gate, the supercharge assembly gets close to the clearing assembly while overcoming pressure, on the gate, of the flowing medium, and therefore, automatic removal for impurities on the surface of the gate in a gate opening process are realized, and the technical problems that the gate is labor-wasting in lifting, and the sealing ringis liable to damage in the prior art are solved.

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 discloses an anti-drag subsoiler with shovel tip rotation. The anti-drag subsoiler comprises a rack; two sides of the rack are symmetrically provided with depth limiting devices; the topof the rack is connected with a suspension device; the rack is also provided with a gearbox; a power output shaft of the gearbox is connected with a power transmission device; a power output shaft ofthe power transmission device is connected with a subsoiling device; the subsoiling device comprises a shovel tip and a shovel handle; the top of the shovel handle is fixedly connected with the rack,and the bottom of the shovel handle is provided with a sleeve base; the shovel tip passes through the sleeve base; and one end of the shovel tip is exposed out of the sleeve base, and the other end of the shovel tip is connected with the power output shaft of the power transmission device. The invention provides a brand new subsoiler, a subsoiling shovel tip of the subsoiler is adopted to rotate,and the rotation operation on a plow pan layer and a core soil layer with relatively large compact degree and volume weight is only performed, so that the drag of the subsoiling operation is effectively reduced, no impact acts on broken soil, the bottom of a subsoiled ditch after operation is level, meanwhile, the power consumption of the operation is reduced, and the reliability of subsoiling operation is improved.

The invention relates to the field of art painting, in particular to an outdoor art design drawing device facilitating unfolding and spread. The outdoor art design drawing device comprises a supporting component, a fixing component, an assisting component and a drawing board. The drawing board is located on the upper portion of the assisting component and is in lap-joint with the assisting component. The fixing component is clamped and connected to the drawing board. The assisting component is located at the front end of the supporting component. The supporting component comprises a main pole,a secondary pole and an auxiliary pole. The secondary pole is located at the front end of the main pole, and the upper section of the secondary pole is matched with the main pole in a hinged mode. The middle of the secondary rod is provided with a positioning part for being matched with the auxiliary rod. The auxiliary rod is located at the front end of the positioning part and is matched with the positioning part. The bottom of the secondary rod is inserted and matched with the assisting component. The outdoor art design drawing device has the beneficial effects of being convenient to carryand capable of unfolding and spreading drawing paper conveniently during usage.

The invention discloses a microstrip substrate circulator. The microstrip substrate circulator includes a housing, a pedestal, a ferrite ceramic substrate, and a microstrip circuit, wherein the microstrip circuit is arranged on the upper surface of the ferrite ceramic substrate; the ferrite ceramic substrate is arranged on the pedestal; a plurality of mounting columns and a plurality of fixed cylinder sleeves; the mounting columns and the fixed cylinder sleeves are corresponding to each other one by one; a stop block is arranged at the middle part of each mounting column; a plurality of circular rings are connected with the side surface of the pedestal; the diameter of each circular ring is greater than the diameter of each mounting column and is less than the width of each stop block; thediameter of each circular ring is less than the diameter of each fixed cylinder sleeve; the outer surface of each mounting column and the inner surface of each fixed cylinder sleeve are threaded; andthe lower end of each fixed cylinder sleeve is opened and the upper end of the each fixed cylinder sleeve is sealed. The microstrip substrate circulator realizes the technical effect that the microstrip substrate circulator is reasonable in design; the substrate is suspended in the housing for heat insulation and protection; and then the microstrip substrate circulator is not easy to damage.

The invention provides a protection device of a chip test fixture, and belongs to the field of chip test. The protection device is used for protecting the chip test fixture, and the chip test fixtureis mounted on the front surface of the printed circuit board; and the protection device comprises a protection cover, the protection cover is provided with a cavity, and when the protection cover is fixed on the printed circuit board, the chip test fixture is located in the cavity. The protection device of the chip test fixture provided by the invention can isolate the chip test fixture from the outside, thereby effectively protecting the chip test fixture.

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 discloses a pill polishing machine and belongs to the field of machines. The pill polishing machine comprises a shell and a support frame. A feeding opening is formed in the upper end ofthe top of the shell. A discharging opening is formed in the lower end of the tail of the shell. The pill polishing machine further comprises a hairbrush motor and a roller shaft motor. A hairbrush roller is horizontally arranged on an inner cavity of the shell. The hairbrush roller is fixedly connected with the hairbrush motor. A driving shaft roller and a driven shaft roller are arranged on theinner cavity of the shell. The driving shaft roller is connected with the driven shaft roller through a conveyor belt. One end of the driving shaft roller is fixedly connected with the roller shaft motor. Multiple strip-shaped grooves are formed in the conveyor belt. Material leakage holes are formed in the strip-shaped grooves. In work, bristles on the hairbrush roller are in contact with the surface of the conveyor belt, so that pills falling into the strip-shaped grooves are polished. The pill polishing machine is improved to solve the problems that an existing polishing machine is large in noise, low in efficiency and high in pill breakage rate. The pill polishing machine has the beneficial effects of being high in working efficiency, long in service life, low in noise and capable ofbeing applied and popularized by enterprises.

The invention discloses a core neutron flux measuring device and a measuring circuit protection method. The device comprises: a self-powered detector and a secondary meter measuring circuit, wherein the self-powered detector and the secondary meter A discharge device is connected between the measuring circuits, realizing the release of the electric energy generated by the self-powered detector, protecting the measuring circuit of the secondary instrument, and making the core neutron flux measuring device not easy to be damaged.

The application discloses a system control circuit and method. Among them, the circuit includes: multiple levels of voltage sources; used to supply power to different loads in the system; a first AND gate circuit, connected to multiple levels of voltage sources, used to perform logic on the working states of multiple voltage sources and operation, and output a control signal according to the operation result; the system controller is used to determine whether to trigger the system to enter the working state according to the control signal. The application solves the technical problems of high development difficulty, long period, high investment cost and easy damage of devices during the development process in realizing multi-voltage source timing control.

The invention discloses a combustion device and a gas stove, belongs to the technical field of combustion equipment, and aims to solve the problem that an ignition needle of an existing combustion device is easy to damage. Wherein the combustion device comprises a furnace body, an ignition needle, a thermocouple, a baffle and at least one pressing plate, the ignition needle and the thermocouple are arranged on the furnace body, the pressing plate presses the ignition needle and the thermocouple on the furnace body, the baffle is connected to the pressing plate, and the baffle is at least arranged on one side of the ignition needle in a blocking mode. The baffle is connected with the pressing plate, so that after the pressing plate is arranged on the ignition needle and the thermocouple in a pressing mode, the baffle can directly surround at least one side of the ignition needle, and therefore the purpose of simplifying the equipment working procedures of the combustion device is achieved. Meanwhile, the baffle is arranged on the pressing plate, so that the baffle does not occupy an installation area on the furnace body additionally, the size of the furnace body can be correspondingly reduced, and the structure of the furnace body is more compact.

The invention discloses an automatic heat preservation building block production line. The automatic heat preservation building block production line comprises a stirrer and a distributor device. A 1#power conveying device is arranged below the distributor device, and a vibration device is arranged on the lower portion of the 1# power conveying device. A 1# elevator, a building block curing room,a 2# elevator, a 2# power conveying device and a demoulding device are sequentially arranged on the rear side of the 1# power conveying device. A return rail for returning the 1# power conveying device is arranged on the rear side of the demoulding device, and a cleaning device and a spraying device are sequentially arranged on the return rail. A 1# roll chain conveyor is arranged on the lower portion of the demoulding device, and the tail end of the 1# roll chain conveyor is in butt joint with the return rail. A 2# shuttle bus is arranged between the tail end of the 2# power conveying deviceand the head end of the 1# roll chain conveyor, and a 1# shuttle bus is arranged between the tail end of the return rail and the head end of the 1# power conveying device. A 8# roll chain conveyor parallel to the 1# roll chain conveyor is arranged on the side of the demoulding device, and a heat preservation building block cork base carrying device is arranged above the 8# roll chain conveyor.

The invention discloses an overcurrent protection method for a special power supply for a magnetic suspension centrifugal blower. An overcurrent signal passes through an overcurrent signal sampling and conditioning circuit and is output to the "-"-end of a comparator to be compared with a reference voltage; a CPLD chip comprises a dithering-elimination circuit, a latch circuit, a signal widening circuit and an overcurrent signal counting circuit; the dithering-elimination circuit delays 1.28 microseconds on the detected overcurrent signal and filters out an interference signal; the latch circuit latches the filtered overcurrent signal state in an SR latch; the signal widening circuit widens the overcurrent signal for 5.24ms to improve time of duration of detection of the overcurrent signal; and the overcurrent signal counting circuit determines whether to output an overcurrent protection action or not according to the number of times of generation of the overcurrent signal. By adoption of the overcurrent protection method, the technical problem that a fan transmission mechanism and the like are damaged easily caused by a fault that a rotor collides a protection bearing when the magnetic suspension blower suffers from transient overcurrent at the suspension moment of the magnetic bearing can be solved, wherein the fault is caused in cutting off of 300V output by the special power supply which is originally used for supplying 300V voltage for a protection bearing controller.

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 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.