97results about How to "No damage issues" patented technology

The invention discloses a vehicle-mounted multimedia device and a control method thereof. The vehicle-mounted multimedia device comprises a vehicle-mounted computer, an automobile state monitor, and a CAN-USB (Controller Area Network-Universal Serial Bus) singlechip which is connected with the vehicle-mounted computer and the automobile state monitor. The control method comprises the following steps: powering on or resetting the CAN-USB singlechip, and executing a bootstrap program; performing CRC (Cyclic Redundancy Check) on a firmware file stored in the CAN-USB singlechip by using the bootstrap program; if the CRC is passed, loading the firmware file through the CAN-USB singlechip, acquiring the monitoring data of the automobile state monitor through a CAN interface, converting the monitoring data into USB interface data, and transmitting the USB interface data to the vehicle-mounted computer; if the CRC fails, updating the firmware file from the vehicle-mounted computer or a backup storage area inside the singlechip by using the CAN-USB singlechip. By adopting the vehicle-mounted multimedia device and the control method thereof, unrecoverable damages to the vehicle-mounted computer due to no response of the program caused by failure in firmware upgrade in the vehicle-mounted CAN-USB singlechip can be avoided, and the reliability of the CAN-USB singlechip and the stability of the vehicle-mounted computer are improved.

The invention provides a method for colour space conversion of an image sequence. Image files in the image sequence is extracted, and pixels of each image file is extracted to perform the following steps: determining values R, G and B of pixels extracted currently; searching values R', G' and B' after conversation correction corresponding to the values R, G and B according to a preset RGB conversion correcting table; converting colour space of the values R', G' and B' into values X, Y and Z; searching values X', Y' and Z' after conversion correction corresponding to values X, Y and Z according to a preset XYZ conversion correcting table; and substituting the values X', Y' and Z' into values X, Y and Z. By adopting the invention, the time for encoding digital films can be shortened.

The invention discloses an efficient residual pumping light attenuation method, relating to a method for leakage of optical fiber laser residual pumping light. The method is characterized by comprising the following steps of: removing a cladding layer from the position needing pumping attenuation on an optical fiber; then, manufacturing a long-period optical fiber grating at the middle part of an optical fiber section with the cladding layer being removed so that a bandstop spectral curve of the grating is matched with a pumping spectrum to form attenuation on residual pumping light but not to attenuate a signal light of the optical fiber laser. In order to prevent the leaked residual pumping light from damaging other elements, a metal sleeve which is used for absorbing the leaked pumping light and has favorable heat radiation capability can be sleeved for shielding the pumping light.

The invention relates to a construction carrying intelligent robot based on a parallel serial structure. The construction carrying intelligent robot comprises a carrying platform, parallel serial vibration tables, walking devices and tracks. The number of the parallel serial vibration tables is four, and the number of the walking devices is four. The parallel serial vibration tables are located at the four top corner positions of the carrying platform correspondingly. The walking devices are located under the parallel serial vibration tables. The upper ends of the walking devices are connected with the lower ends of the parallel serial vibration tables. The lower ends of the walking devices are arranged on the tracks. According to the construction carrying intelligent robot, a four-RPS four-freedom-degree parallel mechanism is applied to the parallel serial vibration tables, the construction carrying intelligent robot can walk in the direction of total four freedom degrees including one-translation and three-rotation in the space, the characteristics of good damping performance and high bearing capability of the four-RPS four-freedom-degree parallel mechanism are fully utilized, and therefore even when the construction carrying intelligent robot walks on the construction site field with the uneven road surface and the poor road surface condition, the problem of construction material slipping or damage of materials under the strong vibration situation cannot be caused, and the construction materials are protected to a certain degree in the carrying process.

An laser driven light source comprises a bulb that encloses a discharge medium which is activated by a laser beam to generate a plasma. It is an object of the present invention to provide a shield from a laser beam, which passes through plasma generated in a bulb without being absorbed therein. A laser driven light source includes a bulb that encloses a discharge medium, wherein plasma is generated in the bulb by a laser beam focused in the bulb, and a beam shield element is provided within the bulb so as to provide a shield from the laser beam that passes through the plasma generated in the bulb.

Provided is a cleaning robot with a cleaning base. A cleaning part used for mopping and cleaning the ground is arranged on the cleaning robot, and the cleaning part is arranged to be of a movable structure. The cleaning robot is provided with a driving wheel, and the driving wheel is arranged to be of a rotatable installation structure. The cleaning robot further comprises a cleaning base, and a water outlet is formed in the cleaning base and communicated with a cleaning area. A separating mechanism is further arranged on the cleaning base, the separating mechanism is located on one side of the driving wheel, and power for driving the cleaning robot to walk and move is transmitted to the separating mechanism through rotation of the driving wheel to achieve the opening and closing effect ofthe water outlet. According to the scheme, the problems of inconvenience in use, poor experience effect and difficulty in cleaning the cleaning part due to the fact that the cleaning part of the existing sweeping robot needs to be manually detached by a user for cleaning are solved, and the problems that a base station of an existing sweeping robot is high in construction cost and large in occupied indoor space, and collected sewage is prone to smelling and pollutes the environment are solved.

The invention provides a broken wire repair method for an array substrate. The method includes the steps that the two ends of a first long wire region are acquired, wherein the first long wire region comprises a metal wire broken wire part; the two ends of the first long wire region are subjected to laser light irradiation, a color resistance layer and a second insulating layer are removed, a second metal layer is exposed, two first grooves are obtained, and the side walls of the first grooves are in step shapes; first metal films grow in the two first grooves and on the color resistance layer between the two first grooves, second metal layers at the bottoms of the two first grooves are connected through the first metal films, and connection of the metal wire broken wire part is completed. Due to the fact that the side walls of the first grooves obtained through the method are in the step shapes, in other words, the descending process of the side walls of the first grooves formed in the color resistance layer and the second insulating layer is slow, the climbing height of the first metal films is greatly reduced, the first metal films are not prone to breakage, and the success rate of broken wire repair is increased.

The reaction furnace tube cleaning procedure with automatically determined terminal suitable for low pressure chemical vapor deposition apparatus includes the following steps: leading cleaning gas into the reaction furnace tube to produce chemical reaction at specific temperature; continuously measuring the temperatures in several locations inside the reaction furnace tube; monitoring one of the temperatures until the temperature change converges to within some deflection value; monitoring all the temperatures until the temperature changes converge to within some deflection values; and over etching for one time period before stopping the reaction furnace tube cleaning procedure.

The invention relates to the technical field of unmanned aerial vehicles, and discloses a novel unmanned aerial vehicle. The novel unmanned aerial vehicle comprises a fuselage, bladeless fans, mounting blocks, supporting rods, connecting blocks, electric push rods, rotating shafts, sliding blocks, sliding grooves, stabilization rods, buffer springs, stabilization plates and antiskid blocks. The bladeless fans are fixedly mounted on the outer wall of the fuselage. The mounting blocks are fixedly mounted at the bottom of the fuselage. The supporting rods are movably connected to the bottoms of the mounting blocks. The connecting blocks are fixedly mounted at the tops of the supporting rods. The electric push rods movably connected with the connecting blocks are fixedly mounted at the bottomsof the mounting blocks. According to the novel unmanned aerial vehicle, propellers of a traditional four-rotor unmanned aerial vehicle are changed into the bladeless fans, and therefore the stabilityof the unmanned aerial vehicle during flying is guaranteed better; even though the unmanned aerial vehicle collides with an object, the problem of traditional propeller damage cannot be generated; and the maintenance cost is reduced, normal use of the unmanned aerial vehicle is guaranteed better, and the stability of the unmanned aerial vehicle during flying is improved.

The invention relates to a circuit structure of a three-phase air-conditioning system, in particular to a surge absorption circuit for the three-phase air-conditioning system, and aims to solve the technical problem of how to improve the surge absorption circuit of the three-phase air-conditioning system so as to effectively improve the performance of resisting kilovolt surge high voltage for multiple times. In order to achieve the purpose, the surge protection circuit comprises a first phase line, a second phase line, a third phase line, a zero line and a first surge absorption unit, wherein the first surge absorption unit comprises a loop formed by a first piezoresistor and a first discharge tube which are sequentially connected between the first phase line and the zero line in series. According to the surge absorption circuit, the structure that the piezoresistor and the discharge tube are additionally arranged between the phase lines and the zero line is adopted, the voltage absorption and endurance capacity of the surge absorption circuit is improved, and then normal use of the three-phase air conditioning system is guaranteed.

The invention discloses a mounting lock catch used for a plastic floor, comprising a male tenon arranged at one side of the floor and a female tenon, wherein the male tenon is composed of a convex part end face provided with a convex part; the female tenon is composed of a concave part end face provided with a concave part; the side wall of the female tenon, which is far from a tenon head, is provided with a projecting part; the front end of the tenon head of the male tenon is provided with a groove which is the same with the projecting part in the shape; the maximum width of the front section of the projecting part is less than or equal to the inlet width of the front section of the groove; the projecting part is arranged at a second chamfer on the side wall of the female tenon; and the horizontal central axis of the groove and the projecting part is the same in height with the height between surface layers of the floor. The mounting lock catch disclosed by the invention has the beneficial effects that (1) the projecting part arranged on the side wall of the female tenon is matched with the groove which is arranged on the side wall of the male tenon and is the same in shape with the projecting part, and the floor can be quickly mounted in a vertical plane while the floor is ensured not to displace in the vertical direction; and (2) the problem that the floor is damaged due to an assembled structure part in a mounting process can be avoided.

The invention relates to a super capacitor and a manufacturing technique of the super capacitor. The super capacitor comprises an anode amphenol connector, a cathode amphenol connector, a capacitor module and a shell, wherein the capacitor module is arranged in the shell; the anode amphenol connector and the cathode amphenol connector are fixedly arranged on one end of the shell and connected with the capacitor module inside the shell; the shell is designed in a spilt mode, and an upper shell body, a lower shell body, a front cover plate and a rear cover plate are connected in a close fit manner to form an inner cavity; the capacitor module is adaptively arranged in the inner cavity; the anode amphenol connector and the cathode amphenol connector are adaptively arranged on the front cover plate and penetrate through the front cover plate and connect with the capacitor module; and a poly carbonate (PC) paper is arranged on the outer surface of the capacitor. With the adoption of the structure, the spilt design of the shell of the super capacitor enables production efficiency of products to substantially improve and rejection rates to substantially lower. The super capacitor has the advantages of being high in practicability, novel, simple and rational in whole structure, reliable in connection among components, and stable in working performance.

The invention discloses a short-circuit protection device to ground and an inverter system, comprising an isolation operational amplifier, a sampling module, a controller and a power module; The output end of the sampling module is connected with the input end of the isolation operational amplifier, the output end of the isolation operational amplifier is connected with the controller, and the isolation operational amplifier is connected with the power supply module. The sampling module is used for collecting the voltage of the inverter circuit and obtaining the sampling voltage; An isolationoperational amplifier is used for amplifying the sampling voltage to obtain an operational amplifier voltage; The controller is used to control the inverter circuit to open when the operational amplifier voltage is greater than a preset threshold value. When the inverter circuit is monitored, the voltage of the inverter circuit is collected in real time to obtain a sampled voltage, and the sampledvoltage is amplified and output to a controller. When the controller determines that a short circuit to ground occurs, the inverter circuit is controlled to be disconnected to protect the inverter. Due to the fast response of the controller, the protection action can be completed within 3us, which can effectively protect the inverter and reduce the fire risk.