39results about How to "Easy to implement design" patented technology

The invention discloses a display panel and electronic equipment. In the display panel, a test circuit is provided with a signal transmission line, the signal transmission line is electrically connected with a touch control signal line, and the signal transmission line is further electrically connected with a data line through a connecting wire. Thus, in the test stage, test signals can be input to the data line through the signal transmission line, and panel testing can be achieved through the signal transmission line; in the non-test stage, the connecting wire is disconnected from the test circuit, the signal transmission line outputs touch signals detected by touch electrodes, and touch detection is realized through the signal transmission line; thus, the signal transmission line in the test circuit can be used for panel testing and can also be used for touch detection, and the number of wires is reduced. The electronic equipment adopts the display panel, the number of wires can be reduced, and narrow frame design and full screen design can be achieved conveniently.

The present invention relates to a pneumatic tire (1) for reducing a tire noise having an annular cavity (5) and at least one acoustic damper (6), situated in the cavity, made of an open-celled material. The acoustic damper (6) is removably connected to an inner face (7) of the pneumatic tire facing toward the cavity (5) using at least one removably connectable connection device (8, 9, 10, 13). Furthermore, the invention provides a wheel rim having a pneumatic tire (1) drawn thereon, an annular cavity (5) being shaped between wheel rim and pneumatic tire, as well as at least one acoustic damper (6) made of open-celled material, which is situated in the cavity, which is distinguished in that the acoustic damper is removably connected on an inner face facing toward the cavity using at least one removably connectable connection device.

The invention provides a preparation method of a permanent magnet material with linear remanence temperature coefficient. The preparation method is characterized by smelting alloy A and alloy B respectively in a vacuum induction melting furnace and pulverizing to a millimetre-sized powder, then preparing alloy A & B according to a certain proportion, further pulverizing the alloy A & B under the protection of a medium, mixing well, and receiving the permanent magnet material with linear remanence temperature coefficient after the aging treatment of molding, sintering, solution solidifying and stepping. The alloy A belongs to samarium cobalt without heavy rare earth, while the alloy B belongs to the material containing heavy rare earth. By the preparation method, the permanent magnet material has the linear remanence temperature coefficient within the range of the room temperature to 100 DEG C, and the temperature coefficient of open magnetic flux reaches a magnitude of five-hundred thousandths.

The invention discloses a modular expandable antenna mechanism based on a symmetrical structure tetrahedral combination unit. The modular expandable antenna mechanism is formed by a plurality of expandable antenna modules, each two adjacent expandable antenna modules are connected through a first face plate at the bottom portion of one of the expandable antenna modules and a second face plate at the bottom portion of the other one of the expandable antenna modules, the first face plate and the second face plate are connected through a hooke hinge, a first face plate and a second face plate which are not connected at the bottom portions of each two adjacent expandable antenna modules are connected through a first synchronization rod, the middle portions of the rod bodies of the first synchronization rods can be folded, and the first synchronization rods, the first face plates and the second face plates are rotationally connected. The expandable antenna modules of the modular expandableantenna mechanism are connected through the hooke hinges to achieve relative posture adjustment between the modules, the structure is simple, the processing and manufacturing cost and the installationdifficulty are low, and a large-scale expandable antenna mechanism with any caliber and a high folding rate can be formed.

The invention discloses an iridium tin oxide gradient composite coating electrode. The electrode comprises a pure titanium substrate, a connecting layer, a transition layer and a catalytic layer. Thechemical composition of the connecting layer is IrxSn<0.9-x>Ti0.1O2, x is larger than 0 and smaller than or equal to 0.1, and the thickness is 1-3 micrometers. The chemical composition of the transition layer is IrySn<1-y>O2, y is larger than 0.1 and smaller than or equal to 0.2, and the thickness is 1-4 micrometers. The chemical composition of the catalystic layer is IrzSn<1-z>O2, z is larger than 0.2 and smaller than or equal to 0.4, and the thickness is 8-15 micrometers. The iridium tin oxide gradient composite coating electrode is compact in coating structure and few and small in surface crack, the phase interface of the pure titanium substrate and the catalytic layer can gradually change in a gradient mode through the connecting layer and the transition layer, the bonding strength ishigher, the chemical stability is high, the service life is long, and the problem that in the prior art, an electrode is poor in stability and short in service life is solved.

The present invention relates to the light guide plate manufacturing technology field, and provides a light guide plate, a light guide plate manufacturing method, a backlight module and a display device. The light guide plate comprises a transparent substrate and a light diffusion layer, the transparent substrate has an in-light surface, out-light surface and a scattering surface opposite to the out-light surface, the light diffusion layer coats and is attached to the scattering surface of the transparent substrate, and the light diffusion layer includes ink and diffusion particles configured to correct the light diffusion angle and increase the light intensity. Compared to the prior art, the light diffusion layer controls the out-light angle to increase the light intensity per unit area while increasing the light radiation area. Compared to the prior art, the backlight module can greatly reduce the thickness of the backlight module. The display device provided by the invention can save the materials and reduce the assembling process. The light guide plate manufacturing method can allow the prepared light guide plate to have the prism effect and integrate the light guiding and the light increasing.

The application discloses an EOS-ELM-based piezoelectric driving positioning platform modeling method and system, and an EOS-ELM-based piezoelectric driving positioning platform control method. According to the application, by taking the current desired output displacement, a plurality of previous output displacements and an input driving voltage as the input values of a model, and taking the input driving voltage value of a piezoelectric driver at the current moment as an output value of the model, a hysteretic nonlinear multi-value mapping problem is solved, and a complicated model inversion process can be avoided; secondly, the weights and the threshold values between a hidden layer and an input layer are given randomly, and a conventional neural network can be transformed into a linear equation model, so that the training time of the model is shortened greatly; thirdly, an infinite differentiable function is used as a hidden layer activation function, so that an excellent training effect can be realized; additionally, just by adopting a recursive least square method, the parameter online adaptive updating can be realized, and the applicability of the model is improved; furthermore, by integrating a plurality of weak learning machines, the precision and the stability of the model can be improved.

The invention provides a pair of photochromic glasses with liquid crystal thin film protection lenses. The pair of photochromic glasses comprises a glasses frame, flexible liquid crystal thin films, a control module and the liquid crystal thin film protection lenses. The invention further provides a manufacturing method of the liquid crystal thin film protection lenses of the photochromic glasses and the manufacturing method comprises six steps. According to the photochromic glasses with the liquid crystal thin film protection lenses, provided by the invention, the lenses can be bent, and are light in weight and less prone to damage; the surface rigidity of the lenses is high so that the lenses are unlikely to be damaged by scratching; the brightness can be automatically adjusted along with the change of external light intensity; the photochromic glasses can help people to improve visual comfort so that eye diseases are prevented; the maintenance cost is low and solar energy supplies power, so that the pair of photochromic glasses saves energy and is environmentally friendly; the protection lenses are arranged, so that the design and large-batch production are easy to realize; and meanwhile, the manufacturing method of the protection lenses is simple, convenient and feasible in operation.

The invention discloses a method for evaluating resistance spot welding spattering quantitatively in real time through acoustic emission signal frequency spectrum. The method comprises the following steps that structure load acoustic emission signals in the resistance spot welding process are collected in real time, and a dynamic oscillogram of the signals is drawn; acoustic emission signals of welding spattering are extracted according to the dynamic oscillogram of the structure load acoustic emission signals in the resistance spot welding process; the frequency spectrum of the acoustic emission signals in the welding spattering process is calculated, and a spectrogram is drawn; frequency spectrum lines with the frequency ranging from 1800 HZ to 2600 HZ are extracted through a band-pass filter; the arithmetic mean value of three maximum peak values of the frequency spectrum lines with the frequency ranging from 1800 HZ to 2600 HZ is calculated; according to the judgment rules of quantitative evaluation of the amount of welding spattering, the larger the arithmetic mean value of the three maximum peak values of the frequency spectrum lines with the frequency ranging from 1800 HZ to 2600 HZ is, the larger the amount of the spattering in the resistance spot welding process is. Analytical calculation of the frequency spectrum can be carried out through both power spectrum and amplitude spectrum. Through the method for evaluating resistance spot welding spattering quantitatively in real time through the acoustic emission signal frequency spectrum, the quantitative evaluation of the amount of spattering in the resistance spot welding spattering process can be achieved.

The application discloses an FReOS-ELM-based piezoelectric actuation type FTS modeling method and system and control method and system. According to the application, a current expected output displacement value, a plurality of previous output displacement values, and input driving voltages are used as input values of a model and an input driving voltage value of a piezoelectric ceramic actuator component at a current time is used as an output value of the model, so that a hysteresis nonlinear multi-value mapping problem is solved and a tedious model inversion process is avoided. Besides, the model is converted into a linear equation model, so that the training time of the model is shortened greatly. And the precision is improved by using an infinitely differentiable function as a hidden-layer activation function. Moreover, on the basis of the regularization idea, a proportional parameter of a risk is introduced to avoid ill-conditioned matrix generation, so that the training stability and generalization performance of the model are improved substantially; and because of introduction of a forgetting factor for online adaptive parameter updating, the operation becomes convenient, the computing loading and information overloading phenomena are avoided and the adaptability of the model is enhanced.

In this superconducting cable line, wherein a superconducting cable is connected to terminal connecting sections or an intermediate connecting section, an offset portion where the superconducting cable is disposed in a curved manner is provided close the terminal connecting sections or the intermediate connecting section. When it is assumed that the superconducting cable can move in the offset portion, an outer tube of the superconducting cable is fixed such that a maximum amplitude portion cannot move, said maximum amplitude portion having a maximum quantity of a move of the superconducting cable due to thermal expansion and contraction of a cable core.

The invention discloses laser welding equipment based on gradient energy band splicing. The laser welding equipment comprises a laser light source, a first rectangular reflecting plate and a second rectangular reflecting plate. The first rectangular reflecting plate and the second rectangular reflecting plate are oppositely placed; the film plating is performed for the surfaces of the first reflecting plate and the second reflecting plate, so that one part of an incident beam is reflected and the other part is transmitted when the incident beam is emitted to the second rectangular reflecting plate with an incident angle delta; the transmitted part is formed to a first light spot on the welding surface; the reflected part is transmitted to the first rectangular reflecting plate for full reflecting, and is partially transmitted by the second rectangular reflecting plate to form a second light spot on the welding surface; laser is continuously reflected in a light conducting channel consisting of the first rectangular reflecting plate and the second rectangular reflecting plate; and one part of the laser is output when being transmitted to the second rectangular reflecting plate each time so as to form a series of laser light spots with different energies on the welding surface. An electronic element passes through the laser light spots with different energies to realize a needed temperature rise curve so as to finish the welding of the electronic element.

The invention discloses a magnetic positioning replacement device for a light filter. The device is mounted in a main focus type telescope tube, and comprises a light filter storage device 7, a sliding rail 8, light filter supporting devices 9 and a light filter positioning device 10, wherein the light filter storage device 7 and the sliding rail 8 are sequentially mounted at the front end of the inner wall of the tube and are linearly arranged; the light filter supporting devices 9 are arranged on the inner wall of the tube in parallel and are fixed and transferred by the sliding rail 8; the light filter positioning device 10 is positioned at the front end of the camera and forms an angle of 90 degrees with the sliding rail; the light filter supporting devices 9 are just matched with the light filter positioning device 10 in size.

The invention discloses a toothbrush holder. The toothbrush holder comprises: a handle, wherein a fixing head is arranged at the top of the handle, and a plurality of second sliding rails are arrangedon the fixing head; and a toothbrush rod, wherein the toothbrush rod is provided with a first sliding rail, the front end of the toothbrush rod is provided with a rotating head, the rotating head isprovided with a third sliding rail, the first sliding rail and the third sliding rail are communicated with each other, and one side of the rotating head is rotatably connected with one side of the fixing head, so that the second sliding rails and the third sliding rail are communicated with each other. The toothbrush holder is simple in structure, and multi-toothbrush-head design of the toothbrush is facilitated. In addition, the invention further provides a multi-face toothbrush, the multi-face toothbrush is provided with a plurality of toothbrush heads, and can achieve the effect that one toothbrush holder is provided with the multiple toothbrush heads. The toothbrush heads are slidably mounted on the second sliding rails in a one-to-one correspondence mode, the toothbrush heads slide to the tail end of the toothbrush rod through one second sliding rail, the third sliding rail and the first sliding rail, and the toothbrush heads can be switched to the other second sliding rail by rotating the rotating head, so that the other toothbrush head slides to the tail end of the toothbrush rod, and the purpose of quickly replacing the toothbrush head is achieved.

The invention discloses a backlight module and a display device. The backlight module comprises a back plate, a lamp panel, a diffusion plate and a plurality of groups of silk thread assemblies, wherein the back plate comprises a bottom plate and a plurality of side plates which are arranged on the peripheral side of the bottom plate in a surrounding mode and are perpendicular to the bottom plate, and the side plates and the bottom plate are matched to form a containing space with an opening in the side away from the bottom plate; the plurality of groups of silk thread assemblies are located between the diffusion plate and the lamp panel, each group of silk thread assemblies comprises a plurality of silk threads, each silk thread penetrates through the opening of the accommodating space of the back plate and is tensioned on the side plate of the back plate, the plurality of groups of silk thread assemblies are mutually matched to form a support body for supporting the diffusion plate assembly, the plurality of groups of silk thread assemblies support diffusion, the effective visual angle of a product can be improved, the frameless / narrow-frame design can be conveniently achieved, the overall mass of the display device is reduced, meanwhile, a larger and more dispersed supporting face is achieved, and the failure risk of the diffusion plate during mechanical vibration is effectively reduced.

The invention discloses a tin oxide-based modified coating for an electrode, which is coated on a clean titanium substrate and consists of a tin oxide active component, an inert metal oxide component and a conductive modifier, the coating comprises the following components in percentage by mass: 75-88% of stannic oxide, 10-20% of stannic oxide, 10-20% of stannic oxide and 10-20% of stannic oxide. The inert metal oxide accounts for 4%-17%; 5%-8% of a conductive modifier; the inert metal oxide is one of zirconium oxide, tantalum oxide and niobium oxide; the conductive modifier is antimony oxide; the tin oxide-based modified coating for the electrode is low in cost and high in chemical stability and electrochemical stability, and the problems that an existing tin oxide coating electrode is poor in chemical stability in an acid solution, insufficient in electrochemical stability, not resistant to electrochemical corrosion and short in service life are solved.

The invention relates to the technical field of camera devices, and particularly discloses an optical imaging lens, a lens module and electronic equipment. The optical imaging lens comprises a first lens and a second lens which are sequentially arranged from the object side to the image side, the first lens has negative refractive power, the second lens has positive refractive power, and the imageside surface of the second lens is a convex surface in a paraxial region; the optical imaging lens meets the conditional expression that -13 < (f1 * f2) / (CT2-CT1) < -8, f1 is the focal length of thefirst lens, f2 is the focal length of the second lens, CT1 is the center thickness of the first lens on the optical axis, and CT2 is the center thickness of the second lens on the optical axis. According to the optical imaging lens, on the premise that the optical performance requirement of the optical imaging lens is met, the optical imaging lens is more compact, and miniaturization, lightness and thinness design of the optical imaging lens can be achieved more conveniently.

The invention discloses a composite oxide catalytic coating for an oxygen evolution electrode. A clean titanium substrate is coated with the composite oxide catalytic coating. The composite oxide catalytic coating is composed of iridium oxide active ingredients, base metal oxide active ingredients and inert oxide ingredients with the component contents of, by mass, 8%-34% of iridium oxide, 3%-12%of base of metal oxide and 67%-86% of inert oxide. With doping of the base metal oxide active ingredients, the iridium content is lowered, thus cost is lowered, and meanwhile oxygen evolution catalytic activity is ensured. At the same time, a the low-temperature coating is pre-prepared, over oxidation of the titanium substrate is avoided, environment friendliness is achieved, coating ingredient design is easy to achieve, the process is simple, and composite oxide catalytic coating is suitable for scale production.

The invention relates to the technical field of hinge design, and particularly provides a calculation method for a working space of a rotating shaft non-coplanar hinge, and the calculation method comprises the steps: S1, determining geometric parameters of the rotating shaft non-coplanar hinge; s2, determining three characteristic angles of the rotating shaft non-coplanar hinge according to the geometric parameters; determining an interference motion range of the rotating shaft non-coplanar hinge according to the three characteristic angles; s3, determining an interference motion equation of the rotating shaft non-coplanar hinge according to the interference motion range; and S4, calculating the working space of the rotating shaft non-coplanar hinge according to the interference motion equation. According to the calculation method, the calculation precision is high, the design of the rotating shaft non-coplanar hinge is easy to realize, and meanwhile, rapid calculation is also easy to realize.

The invention relates to a bicycle control panel belonging to the technical field of bicycle control, in particular to a bicycle control panel. The invention provides the bicycle control panel convenient to control and diverse in functions. The bicycle control panel comprises a power interface, a control unit and an output unit, wherein the control unit comprises a controller and function buttons; the output unit comprises a loudspeaker, a display screen, a light and an operation interface; the power interface is connected with the control unit through a guide wire; the controller is connected with the function buttons and the output unit, and comprises a control module, a communication module and a power supply module; the power supply module supplies power for the control module and the communication module; the communication module is communicated with an external intelligent terminal device; an electric energy input interface of the power supply module is connected with the power interface; the control module is respectively in communication connection with the function buttons, the output unit, a timer, a GPS (Global Position System) positioner and a vibration sensor.