292 results about "Thermal printing" patented technology

The invention discloses a thermal printing image processing method, device and equipment and a medium, and relates to the field of thermal printing. The method comprises the following steps: acquiring an original image to be printed, and converting the original image into a grayscale image; calculating a gradient difference value of the grayscale image, and generating a threshold distribution map; generating a heat accumulation risk map based on an average gray value in a preset neighborhood window taking each pixel point of the gray image as a center; generating a preliminary binary image according to the threshold distribution map; extracting image features of the preliminary binarization image, and classifying the original image to obtain an image classification result; calling a target processing parameter set corresponding to the image classification result from a plurality of preset processing parameter sets according to the image classification result; performing optimization processing on the preliminary binary image according to the target processing parameter set and the heat accumulation risk map to obtain an optimized binary image; and the final printing image adaptive to the resolution of the target printer is generated, so that the printing definition is improved.

The utility model discloses a rapid imaging camera, which comprises a camera body, and is characterized in that the camera body is internally provided with a printing bin for storing thermosensitive printing paper, and the camera body is provided with a mounting position; the lens comprises a lens body, and the lens body is accommodated in the mounting position and is used for receiving light; the imaging device is arranged in the camera body, and the light passing through the lens body is transmitted into the imaging device to form an image signal; the thermal printing head is arranged in the machine body, and the thermal printing head can receive the image signal so as to print and present the corresponding content on the thermal printing paper; wherein the camera body is provided with a first connecting part, the first connecting part is arranged corresponding to the mounting position, the lens further comprises a second connecting part arranged on the lens body, and the second connecting part can be in butt joint with the first connecting part, so that the lens is detachably connected to the camera body. According to the rapid imaging camera provided by the invention, detachable connection of the lens and the camera body can be realized, so that a proper lens can be replaced according to user requirements, and the user experience is improved.

The invention belongs to the technical field of printing materials, and provides a thermal printing material with a cleaning function and a preparation method and application thereof. The thermal printing material comprises a base material, a thermal imaging layer and a protective layer which are sequentially stacked, the protective layer is prepared from a first film forming material, a second film forming material and a cleaning function material, and the cleaning function material comprises rare earth oxide. The first film-forming material is at least one of modified polyvinyl alcohol, styrene acrylic resin, polyurethane resin, polyacrylic resin, styrene maleic anhydride copolymer and waterborne epoxy resin, and the second film-forming material is a carbonyl compound and / or an amino compound. The thermal printing material provided by the invention can clean a thermal printing head while printing, the thermal printing head is kept clean for a long time, the service life is long, the printing effect of an output information image is not influenced, and the thermal printing material has the characteristics of high-transparency appearance, clear image, high density and no scratch.

The invention relates to the technical field of thermal printing head manufacturing, in particular to a high-energy-impact-resistant heating substrate for a thermal printing head and a manufacturing method of the high-energy-impact-resistant heating substrate, and the high-energy-impact-resistant heating substrate can meet the high-temperature-resistant and thermal-impact-resistant requirements in the thermal printing process and can overcome the defect that parts are prone to being peeled off due to thermal stress. A ground coat layer is arranged on the surface of the insulating substrate, a heating resistor body and an electrode wire are arranged on the upper surface of the ground coat layer, and the high-energy-impact-resistant electrode wire is characterized in that the electrode wire within the range of 0.3 mm away from the heating resistor body is a high-energy-impact-resistant electrode wire, and the high-energy-impact-resistant electrode wire comprises a lower-layer electrode wire body and an upper-layer electrode wire body. The lower layer electrode wire is made of hafnium aluminum HfAl alloy, the thickness range of the lower layer electrode wire is 0.1-2.0 micrometers, and the hafnium Hf content in the lower layer electrode wire accounts for 10% or below of the total mass percentage.

The invention relates to the technical field of thermal printing head manufacturing, in particular to an energy-impact-resistant heating substrate for a thermal printing head and a preparation method of the energy-impact-resistant heating substrate, and the energy-impact-resistant heating substrate is high-temperature-resistant and capable of reducing adverse effects of thermal stress and is provided with an insulating substrate, a ground coat layer is arranged on the surface of the insulating substrate, and a heating resistor and an electrode wire are arranged on the ground coat layer. A protective layer covers the upper surfaces of the heating resistor body and part of the electrode lead, and the heating resistor body is characterized in that the heating resistor body is an energy-impact-resistant heating resistor body, the heating resistor body is made of a mixture of hafnium tantalum Hf / Ta alloy and SiC, the mass ratio of Hf to Ta in the hafnium tantalum alloy is (1-2): (8-9), the hafnium tantalum alloy accounts for 30-70% of the total mass of the heating resistor body, and the Hf / Ta alloy accounts for 30-70% of the total mass of the heating resistor body. The thickness of the heating resistor body is 10-500 nm, and the resistivity of the heating resistor body is 500-4000 E-8 omega.m.

The invention belongs to the technical field of vacuum sealer products, and particularly discloses a vacuum sealer with characters, which comprises a base and an upper cover, the upper cover is movably hinged with one side of the base, a vacuum pump, a control circuit board and a power line are arranged on the base, and upper and lower vacuum cavities are arranged at the corresponding positions of the binding surfaces when the base and the upper cover are closed. Sealing rubber rings are arranged on the periphery of the upper vacuum cavity and the periphery of the lower vacuum cavity respectively, a sealing heating piece assembly is arranged on the front side of the base, a heat sealing strip is arranged at the corresponding position of the front side of the upper cover, a plurality of character belts and character belt driving devices are arranged in the upper cover / base, and an elastic character hot stamping device is arranged at the corresponding position in the base / upper cover. The vacuum sealing machine is simple in structure, convenient to use, light and miniaturized in appearance, capable of achieving hot stamping of various characters, clear in handwriting, high in heating efficiency, capable of synchronously completing sealing and hot stamping of the characters, capable of being disassembled without additional tools, convenient to clean and maintain, long in service life, good in stability and low in manufacturing cost.

The invention discloses high-dispersity modified gold paste mixing equipment for a thermal printing sheet and a process of the high-dispersity modified gold paste mixing equipment, and relates to the technical field of material mixing. Under tightening and clamping of inner and outer barrel walls, four groups of frustum-shaped stirring rods with downward big heads can be gradually folded inwards and block-shaped materials are positioned among the four stirring rods; the four inclined outer walls gradually extrude and push the agglomerated powder which cannot be scattered along with the folding, so that the agglomerated powder is gradually upwards jacked up by the four groups of stirring rods which are gradually drawn close, and the four groups of stirring rods simultaneously rotate and revolve, and the stirring outer barrel is higher than the separation inner barrel, so that the agglomerated powder is separated from the separation inner barrel. Therefore, caked powder or other foreign matters which are gradually jacked up can be gradually thrown into the separation inner cylinder under the action of rotary centrifugation, so that impurities and blocky powder which is difficult to scatter can be discharged through the separation inner cylinder in a self-adaptive manner, and the self-adaptive stirring device is simple and ingenious in structure, strong in functionality and suitable for mixing and stirring various materials.

A dual-mode biological 3D printing head assembly comprises a bottom plate, an in-place device, a UV curing lamp, a normal-temperature printing head and a thermal printing head are arranged on the bottom plate, and the normal-temperature printing head and the thermal printing head are used for printing high-viscosity materials; the bottom plate is further provided with a plurality of electromagnetic valves and a control circuit board electrically connected with the electromagnetic valves, and the control circuit board is used for spot-jet printing of low-viscosity materials. A nozzle is arranged at the bottom of the electromagnetic valve, and a top inlet is communicated with the low-viscosity charging barrel through a gas path; the low-viscosity charging barrel is sequentially communicated with a proportional valve and an air pump through an air path and is used for extruding and discharging materials to the electromagnetic valve; a heating assembly is arranged outside the thermal printing head and comprises a heat conduction block, a heating rod and a thermocouple are arranged on the heat conduction block, and a heat insulation layer is arranged on the periphery. The utility model further discloses a dual-mode biological 3D printer with the printing head assembly. According to the utility model, high-viscosity materials and low-viscosity materials can be printed at the same time, spot spraying and extrusion are combined, the defect that the low-viscosity materials cannot be printed in a pure pneumatic extrusion mode is overcome, and normal-temperature printing and heating printing can be realized.

The utility model provides a probe station, and relates to the technical field of thermal printing head equipment. Comprising an industrial control system, and a vacuum adsorption platform, an XY-axis displacement mechanism, a Z-axis lifting mechanism, a rotation angle compensation mechanism, a visual positioning system, a probe washing device, a probe card and a resistance adjusting case which are connected with the industrial control system. Through the equipment, the uniformity during resistance trimming can be improved, and the resistance trimming efficiency is improved.

The embodiment of the invention provides a thermosensitive gray scale printing method and device, a storage medium and electronic equipment, and is applied to a thermosensitive printer, the method comprises the steps that to-be-printed Mth row of gray scale data is received, the Mth row of gray scale data is the Mth row of data in a K-order gray scale image, M is a positive integer larger than or equal to 1, and K is a positive integer larger than or equal to 2; the M-th line of gray scale data and first reference information are stored in a first memory, and the first reference information comprises the number of points to be heated of each level of gray scale data in the M-th line of gray scale data, a starting byte of each level of gray scale data in the M-th line of gray scale data and an ending byte of each level of gray scale data in the M-th line of gray scale data; and based on the first reference information, sequentially extracting gray scale data of each scale in the M-th line of gray scale data, and controlling the thermal printing head to execute thermal printing operation on the thermal medium according to the gray scale data of each scale in the M-th line of gray scale data until the M-th line of gray scale data is printed.

The utility model relates to the technical field of thermal printing equipment, in particular to a printing roller for a thermal printer, which comprises a printing head, a printing roller and a label, the label passes between the printing head and the printing roller, one surface of the label close to the printing roller is provided with a bonding layer, two rubber rings with high hardness are fixedly mounted on the outer side of the printing roller, and the printing roller is fixedly mounted on the printing head. And a cylindrical silica gel foaming roller with low hardness is fixedly mounted between the two rubber rings with high hardness. According to the utility model, the rubber rings with high hardness and the cylindrical silica gel foaming roller with low hardness are arranged, the rubber rings with high hardness at the two ends are made of a high-hardness silicon rubber material, so that the deformation of the roller is prevented by virtue of strong force, and meanwhile, the cylindrical silica gel foaming roller with low hardness in the center is made of a foaming material, so that the service life of the roller is prolonged. The hardness is relatively soft, the applied force is reduced, and the contact area between deformation and the label is reduced, so that the label is difficult to roll on the printing roller, and the phenomenon that the label is not discharged from the interior of the printer is avoided.

The utility model provides a film thermal printing head, and relates to the technical field of printing equipment. Comprising a ceramic substrate, a heat storage layer, a resistance layer, a conductive layer, a protective layer and a connecting layer, the connecting layer is arranged between the resistance layer and the conducting layer so as to improve the binding force of the resistance layer and the conducting layer; the conductive layer comprises a copper metal layer and a nickel metal layer, and the conductive layer and the connecting layer jointly form a conductor layer used for connecting an I C assembly; and the IC assembly is welded on the conductor layer, and the IC assembly is provided with a silver finger on the heat storage layer, wherein the silver finger is used for being directly welded with an external FFC / FPC (Flexible Printed Circuit / Flexible Printed Circuit) in use, so that a film thermal printing head structure without the FFC / FPC is formed. According to the scheme, a circuit board on the ceramic substrate is omitted, the external circuit board is directly welded through the silver finger, the structure of the thin film thermal printing head can be optimized, and the size of the thin film thermal printing head is further reduced.

The utility model belongs to the technical field of printing equipment, and particularly relates to a double-color thermal printer core, which comprises a shell, a thermal printing assembly, a rubber roller assembly, a driving motor and a transmission mechanism, the number of the thermal printing assemblies is multiple, and the thermal printing assemblies are arranged around the rubber roller assembly. The thermosensitive printing assembly comprises a substrate, a rotating shaft, a spring, a thermosensitive piece and an FPC soft board. The rubber roller assembly comprises a pressure rubber roller and bearings, the pressure rubber roller comprises a center shaft, the two ends of the center shaft are installed on the shell through the bearings, and one side of the pressure rubber roller is connected with a driving motor through a transmission mechanism. According to the thermal printer core disclosed by the utility model, two or more thermal printing assemblies can be integrated in the same shell, namely one core is provided with a plurality of thermal printing assemblies, so that double-color or multi-color printing is realized, and the product is more compact in overall structure, small in size, convenient to carry and low in cost.

The invention discloses an Arduino-based intelligent Bluetooth portable printer, and relates to the technical field of intelligent Bluetooth portable printers, the Arduino-based intelligent Bluetooth portable printer comprises a main control module and a thermal printing module electrically connected with the output end of the main control module, and the thermal printing module is used for completing printing of texts and images according to instructions of the main control module; the stepping motor driving module is used for controlling the feeding of the printing paper; the paper shortage detection module is used for detecting whether the printer lacks paper or not and sending an interrupt signal to the main control module when the printer lacks paper; the power supply management module is used for providing stable voltage for each module and supporting charge and discharge management of the rechargeable battery; the Bluetooth communication module is used for carrying out wireless connection and data transmission with external terminal equipment; the temperature monitoring module is used for monitoring the temperature of the printing head in real time and triggering a protection mechanism when the temperature is abnormal; and the user interaction module comprises a power switch and a state indicating lamp and is used for user operation and state feedback.

The invention provides a power supply regulating device and a voltage-adjustable power supply circuit thereof, and relates to the technical field of power supply regulation, the circuit is additionally provided with a sampling resistor, an operational amplifier unit and an MCU on the basis of keeping the original sampling partial voltage, and adjustable analog level output by the MCU is injected into a DC-DC feedback pin after being subjected to operational amplifier gain, so that the voltage-adjustable power supply circuit is formed. The potential of a feedback node is biased in a voltage superposition mode, so that the output voltage and the analog level are in an approximately linear relation; according to the invention, higher resolution adjustment can be obtained in a preset full range only by changing the DAC level or the PWM duty ratio, the gear intervals are uniform, digital potentiometers or segmented switching are not needed, the calculation is simple, the hardware cost is low, and the control is convenient. The high-precision power supply can be widely applied to occasions requiring a software controllable high-precision power supply, such as a thermal printing head test fixture, ink-jet head ink quantity control, motor torque adjustment and the like. The invention aims to solve the problems that the resolution of a low-voltage section is suddenly reduced and the fineness is insufficient due to resistance-voltage nonlinearity during wide-range voltage regulation of a traditional digital potentiometer type DC-DC feedback network.

The invention discloses a thermal printing method and device, equipment, a storage medium and a program product. The method comprises the steps that a plurality of target heating points needing to be started when a printing head prints a current line are obtained; determining heating levels corresponding to the plurality of target heating points; different heating levels correspond to different heating times, and each time of heating corresponds to a preset initial heating duration; based on the current working state parameters of the printing head, the initial heating duration corresponding to each time of heating is adjusted, and the target heating duration corresponding to each time of heating is obtained; and according to the target heating duration corresponding to each time of heating and the heating grade corresponding to each target heating point, the printing head is controlled to complete thermal printing of the current line. By adopting the scheme, the printing head can be controlled to complete thermal printing in combination with the graded target heating points and the adjusted target heating duration, so that the printing quality is effectively ensured.

The utility model provides a contact resistance thermal printing head, and belongs to the technical field of additive manufacturing. A pressure sensor is arranged at the upper end of the printing head, a copper electrode compresses a spring in the printing process, the spring transmits pressure to the pressure sensor, the pressure sensor transmits pressure information to a controller, the controller outputs a control signal to a pressure motor, and the pressure motor pushes a sliding block to move, so that the compression amount of the spring is changed; the spring pushes the copper electrode of the printing head to be directly pressed on the metal raw material, and stable pressure control in the printing process is achieved. A copper electrode tip in the printing head is connected with an alternating power supply, the alternating power supply is connected with the printing head, the metal raw material and the substrate through wires to form a closed loop, and contact resistance thermal printing is achieved.

The invention relates to the technical field of image data processing and thermal printing control, in particular to a power consumption management image data processing method in thermal printing, which comprises the following steps: a space construction and vector definition step: receiving data to establish a coordinate system and an image vector; a thermal history residual construction step: constructing a residual map representing heat energy accumulation in combination with the thermal model; a frequency domain feature extraction step: identifying frequency features and dividing field and texture regions; a dynamic sparse decision-making step: generating an adaptive mask based on thermal-frequency double-domain constraint; a logic synthesis and closed-loop updating step: generating low-power-consumption data and updating the hot cache; according to the method, the sparsification is reversely guided by utilizing the thermal diffusion characteristic, the problem of current overload of high-blackness printing is solved, and the visual integrity is maintained.

The invention relates to the technical field of application of thermal printing heads, in particular to a thermal printing device and a printing method for simplifying gray scale printing and achieving fine gray scale control, and the thermal printing device is provided with an external printing host and a thermal printing head. A PWM modulation unit, a clock unit CLK, a frequency divider, a latch unit LATCH, a printing gating unit STB and a plurality of control units in one-to-one correspondence with a plurality of heating points in the heating resistor are arranged in the printing logic control component, and the printing gating unit STB is used for outputting a current line printing gating control signal to the control units; the PWM modulation unit is used for carrying out pulse width modulation on a printing pulse number mi issued by an external host and outputting heating time pulse signals superposed with different duty ratio pulses to the control unit so as to meet different color development temperature requirements; compared with an existing mode that multiple times of sending of printing data are combined with STB gating, the cost requirement for printer control resources is remarkably reduced on the premise that gray level fine control is met.

The invention relates to the technical field of film processing, in particular to a film thermal printing device which comprises a connecting base, the end face of the connecting base is connected with a film roller through a support, and the end face of the connecting base is connected with an adjustable driving structure. An adjustable driving structure is arranged on the end face of the connecting base, and an adjustable edge pressing structure is connected to the position, located on one side of the adjustable driving structure, of the end face of the connecting base. Therefore, the distance between the driving roller and the driven roller can be adjusted through the transmission structure by means of a driving motor and an adjusting rotating rod in the adjustable driving structure, a film can be tightly clamped between the driving roller and the driven roller, and the situation that the film slips during transmission, data printed on the film are overlapped, and the printing effect is affected is avoided; and meanwhile, the film can be conveniently installed, and films with different thicknesses can be clamped and driven for use.

The invention provides a printing image processing method, a thermal printing control method and electronic equipment, and the method comprises the steps: extracting the page information of a to-be-printed document, and converting the to-be-printed document into a bitmap according to the page information; obtaining a global threshold value of each pixel point based on the bitmap; sequentially traversing each pixel in the bitmap, for the traversed target pixel, obtaining a region contrast ratio corresponding to the target pixel, and adjusting a global threshold value according to the region contrast ratio to obtain a local threshold value corresponding to the target pixel; and binarizing the corresponding target pixel according to each local threshold to obtain a binarization result. The local threshold is obtained by adjusting the global threshold through the area contrast, the local threshold can better reflect the pixel color close to the target pixel, the problem that the global threshold cannot effectively distinguish the black pixel from the white pixel in the partial area with the low contrast is solved, accurate binarization operation is performed on the target pixel, and the image quality is improved. The contrast between black pixels and white pixels is improved, and the black and white printing effect is improved.

1. The name of the product of this design: pocket thermal printer. 2. Purpose of this design product: for thermal printing. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The invention provides a water transfer printing tattoo sticker capable of conducting thermal printing, and relates to the technical field of tattoo stickers, the water transfer printing tattoo sticker comprises a shell assembly and an air bag, a tattoo sticker body is wound in the shell assembly, the tattoo sticker body comprises water transfer printing paper and a thermal printing coating, the thermal printing coating is arranged on the surface of the water transfer printing paper, and the air bag is arranged on the surface of the water transfer printing paper. The thermal printing coating can enable the thermal printer to directly print patterns on the water transfer printing paper, the air bag is installed in the middle of the lower end of the shell assembly, the pressing assembly is installed on the left side of the lower end of the shell assembly, the cleaning assembly is installed on the right side of the shell assembly, and the water adding assembly is installed on the left side of the shell assembly. The water transfer paper has the advantages that the thermal printing coating is arranged on the surface of the water transfer paper, the water transfer paper can be printed by a thermal printer through the thermal printing coating, and compared with an ink-jet printer, the thermal printer has the characteristics of low cost, small size, convenience in carrying and high printing speed.

The present invention relates to a positioning mark detection method for detecting a positioning mark of a thermal printing medium loaded into a thermal printer by means of an optical sensor provided in the thermal printer to determine a starting position of the thermal printing medium, the optical sensor comprising a light emitting member and a light receiving member, the light emitting part emits first light to irradiate the positioning mark, the positioning mark feeds back second light different from the first light, the light receiving part receives the second light, and the wavelength of the second light is different from that of the first light; the positioning mark detection method comprises the following steps: detecting and sampling; a signal conversion step; judging the initial position of the thermal printing medium; the light emitting part emits the first light to irradiate the positioning mark, the positioning mark is excited to emit the second light, the wavelength of the second light is different from that of the first light, specifically, the wavelength of the second light is longer than that of the first light, and therefore the light receiving part is prevented from being affected by the light emitted by the light emitting part.

1. The name of the design product: portable thermal printer. 2. The use of the design product: for thermal printing. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

According to the thermal printing control circuit and the chip, the logic circuit in the data processing module is used for processing the input first image data and obtaining the second image data to be printed, and meanwhile the data processing module is further used for controlling data division associated with the second image data and data transmission between the modules. Storage and calling of image data are achieved through the storage module, data interaction between the image data and an external structure is completed through the data input module and the data output module, and therefore through module division, the flexibility of time sequence distribution of all modules in the printing process can be improved, parallel processing of multiple sets of printing data in different processing procedures is achieved, and the printing efficiency is improved. The working efficiency of the printing process is improved, and the power consumption of each module of the printer is reduced.

1. The name of the product of this design: Children’s Polaroid Camera (Retro). 2. Purpose of the product with this appearance design: It is used for a digital camera product, and the photos taken can also be printed out through the thermal printing component that comes with the machine. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present disclosure provides a container labeling system comprising a labeling unit equipped with one or more applicators for applying one or more elements onto a container label. The elements are selected from numbers, letters, characters, diagrams, pictures, pictograms, symbols, colors, shades, hues, marks, sounds, displays, icons, graphics, objects, lines, curves, text, dots, shapes, data, photographs, and images. The system includes a control unit configured to differentially configure the elements on each container label based on predetermined criteria. The labeling unit applies the elements using techniques such as printing, thermal printing, embossing, debossing, or engraving. The system enables the production of unique, identifiable labels for containers, enhancing product tracking, authentication, and user experience.

The invention relates to the technical field of printing equipment, and discloses a control method of thermal printing or thermal transfer printing equipment, a storage medium and a system, and the method comprises the steps that the printing equipment obtains model parameters of a printing medium; the printing equipment obtains environment parameters around the printing equipment; the printing equipment sends the model parameters to the cloud service platform; if the hit item of the model parameter exists in the cloud database of the cloud service platform, the cloud service platform returns a cloud printing parameter corresponding to the model parameter to the printing equipment; if the printing equipment receives the cloud printing parameters, the printing equipment inputs the cloud printing parameters and the environment parameters into an individual correction model to obtain corrected printing parameters, and the individual correction model is obtained by training correction behaviors, collected by the printing equipment, of the user on the cloud printing parameters under different environment parameters; and the printing equipment sets the corrected printing parameters as actual printing parameters of the printing equipment. According to the method, the printing parameters conforming to user preferences can be automatically configured, and the printing experience is improved.

The invention relates to the technical field of thermal printing equipment control, in particular to a dynamic temperature-adjusting thermal printing method and equipment based on an upper computer and a USB bridging chip. The method comprises the steps that original printing content and operation parameters are obtained, field naming standardization, data type unification and default value filling processing are carried out, and a standardized structure is generated; based on the bound physical resolution of the printing head, configuring a rasterization step length and a line buffer size, and generating a printing dot matrix and a basic control parameter set; the concentration, the temperature, the speed and the voltage are correlated and sorted, a temperature adjusting field is generated, and a control signal sequence and dynamic pulse width configuration are obtained through dynamic pulse width calculation; and finally, configuring USB-to-GPIO bridging chip pin mapping, initializing a bus session, setting an output mode, and generating an updated operation parameter set. Fine dynamic temperature adjustment of the printing head is achieved, the printing quality consistency and the equipment reliability are effectively improved, overheating damage is avoided, meanwhile, the hardware architecture is simplified, and the cost is reduced.