SCANNING DEVICE, SUPPLEMENTARY LIGHTING LAMP CONTROL SYSTEM FOR SAME, AND CONTROL METHOD

Provided are a scanning device, a supplementary lighting lamp control system for the same, and a method. The scanning device comprises: a scanning engine for acquiring an image and at least two supplementary lighting lamps for providing lighting while the scanning engine is acquiring an image. The supplementary lighting lamp control system comprises: a supplementary lighting control unit for controlling the at least two supplementary lighting lamps to emit light; an exposure control unit for controlling an exposure duration of the scanning engine; and a main control unit connected to the supplementary lighting lamp control unit, controlling, via the supplementary lighting lamp, the at least two supplementary lighting lamps to alternately emit light, and controlling, via the exposure control unit, the exposure duration of the scanning engine to be less than a single light emitting duration of the supplementary lighting lamps. The scanning device illuminates a barcode from many different ...

BARCODE RECOGNITION COMPONENT AND BARCODE RECOGNITION DEVICE

A barcode recognition component (10) and a barcode recognition device, which can effectively reduce the interference caused by laser energy on an imaging unit, thereby effectively reducing local exposure during barcode imaging. The barcode recognition component (10) comprises an optical lens (101), a laser aiming unit (102), a light supplementing unit (103), and an optical filtering unit (104). The optical lens (101) comprises an imaging unit (1011); the light supplementing unit (103) is used for supplementing the light of the region of a barcode view field; the laser aiming unit (102) is used for transmitting laser having a predetermined wavelength to the view field region so as to provide an aiming guide; the optical filtering unit (104) is used for blocking the band of the predetermined wavelength in the laser; the optical lens (101) is used for imaging a barcode using the imaging unit (1011).

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LASER SCANNING MODULE AND LASER INTERFERENCE SHIELDING METHOD THEREOF

A laser scanning module and a laser interference shielding method thereof. The laser scanning module is connected to an external device, and comprises a laser, a CMOS control chip (10), and a control circuit (20). The CMOS control chip (10) outputs a frame exposure signal, and the external device outputs a power on/off signal. The control circuit (20) controls a power supply state of the laser according to the power on/off signal, and further controls, according to the frame exposure signal, the on and off of the laser to be synchronous with a frame of a barcode image read by the laser scanning module. By synchronizing the on/off of the laser with the frame, a normal indication can be formed, and thus the impact caused by an indication pattern formed by the laser is eliminated, and the performance of the laser scanning module in reading a barcode symbol is improved.

Center patch mounting mold and mounting method for LNG (Liquefied Natural Gas) film type trihedron

The invention discloses an LNG film type trihedron center patch installation mold and method, the installation mold comprises a pressure head module and a heating plate, the heating plate is arranged on the pressure head module and used for heating the pressure head module, and the pressure head module is matched with the structure of a center patch. The pressing head module is used for pressing the center patch and conducting heat transfer and temperature control on the center patch. The curing temperature of the PU glue on the center patch can be increased by utilizing the good heat conduction performance of the heating plate, the pressure head module and the outer aluminum layer of the center patch, so that the curing time of the PU glue is greatly shortened, the curing time can be shortened from about 14 hours to about 4 hours, the production efficiency is greatly improved, and the production cost is reduced. And the quality of any product is not influenced.

AIMING METHOD FOR BARCODE READER, AND AIMING DEVICE FOR SAME

Embodiments of the present invention disclose an aiming method for a barcode reader, and an aiming device for the same. The aiming device comprises a diffractive optical element (DOE), a biconvex lens, a collimation cylinder, and a laser light source. The diffractive optical element (DOE), the biconvex lens, and the laser light source are sequentially fitted in an axial direction of the collimation cylinder, wherein laser light generated by the laser light source passes through the biconvex lens and the diffractive optical element (DOE) to generate a position-limiting light spot having a pre-determined pattern, the position-limiting light spot forming a position-limiting box to guide a user to accurately select and position a barcode to be read within the box. The embodiments of the present invention improve the success rate of scanning a code the first time, thereby saving time, improving efficiency, and optimizing the user experience. The position-limiting box enables positioning of various ...

SCANNING DEVICE CAPABLE OF REDUCING THE INFLUENCE OF ILLUMINATION LIGHT REFLECTED BY SCANNING WINDOW ON CODE SCANNING

The present invention provides a scanning device capable of reducing the influence of illumination light reflected by a scanning window on code scanning. Said device comprises: a housing having a scanning window, a highly transparent sheet shielding the scanning window, and an inward side of the highly transparent sheet forming a reflection face; a scanning engine accommodated in the housing and close to the reflection face, a camera and a fill lamp being provided on one end face of the scanning engine and both facing toward the reflection face, the camera being used for acquiring images, and the fill lamp being used for illuminating during image acquisition, the distance between the camera, the fill lamp and the highly transparent sheet is arranged such that light emitted from the fill lamp within a light-emitting angle is deviated from the field of view of the camera after being reflected by the reflection face, avoiding generation of noise signals, thereby avoiding an adverse effect ...

BARCODE RECOGNITION ENGINE AND POWER CONSUMPTION REDUCTION CONTROL METHOD THEREFOR

Disclosed are a barcode recognition engine and a power consumption reduction control method therefor. The barcode recognition engine comprises an optical imaging unit (1), a light supplementing unit (2), an aiming unit (3), a decoding unit (4), and an engine single-chip microcomputer (5). When the decoding unit (4) is triggered for decoding, the optical imaging unit (1) collects an optical signal, converts the optical signal into image data and transmits the image data to the decoding unit (4) for decoding. The optical imaging unit (1) controls a power supplying state of the light supplementing unit (2, 21, 22) according to a frame period signal generated in the optical imaging unit and a power control signal output by the engine single-chip microcomputer (5). The optical imaging unit (1) controls the light supplementing unit (2, 21, 22) to turn on for light supplementing in an exposure time period of the frame period signal, and controls the light supplementing unit (2, 21, 22) to turn ...

SYSTEM FOR RESOLVING EXPOSURE OF AIMING BEAMS OF SCANNING HEAD

A system for resolving exposure of aiming beams of a scanning head comprises a control circuit (1) of an aiming lamp. The control circuit (1) of an aiming lamp consists of five pin ends. A first pin and a second pin are input ends of an AND gate circuit, a fourth pin being an output end of a NOT gate circuit, a high level Vcc is introduced to a fifth pin of the control circuit (1), and a third pin of the control circuit (1) is grounded. The first pin and the second pin of the control circuit (1) are respectively connected to a scanning signal (SCAN_ENABLE) and a field synchronization signal (vsync), and the field synchronization signal (vsync) is connected to a resistor R1 and grounded. Compared with the existing scanning head on the market, the scanning head can completely eliminate local over-exposure of aiming beams, the decoding precision, the stability, the recognition rate and the decoding speed of the scanning head are greatly improved, and the power consumption of the scanning head ...

SELF-POSITIONING SLIDE SHOE BEARING

A self-positioning slide shoe bearing, comprising a slide ring and a slide shoe, the slide shoe having a support tile, the outer edge of the slide ring being provided on the support tile, the outer edge of the slide ring being in the shape of a non-cylindrical surface, the section shape of the contact surface of the support tile with the outer edge of the slide ring conforming to the section shape of the outer edge of the slide ring. The self-positioning slide shoe bearing has a good axial positioning effect, is able to balance the axial force that is generated by transmission and other factors, has a large-area contact bearing surface, has a strong bearing capacity and a wear resistant property, and is able to solve the problem of the wearing down of a clamping plate of the prior slide shoe bearing.

Remediation pond for water ecological environment governance

The invention belongs to the field of remediation pools, and particularly relates to a remediation pool for water ecological environment governance, aiming at the existing problems, the following scheme is provided: the remediation pool comprises a pool body, a partition plate is fixedly mounted on the inner wall of the bottom side of the pool body, a cover plate is mounted at the top of the pool body, a water inlet pipe is arranged at the top of the cover plate, and a water outlet pipe is arranged at the bottom of the pool body; a through hole is formed in one side of the partition plate, a ring is arranged on one side of the partition plate, a filter screen is sewn on the ring, an insertion sleeve is welded to the ring, a cavity is formed in the partition plate, a long hole is formed in the inner wall of one side of the cavity, an insertion rod is slidably installed in the long hole, and the insertion rod is matched with the insertion sleeve. By means of the filter screen assembly and ...

System for remotely evaluating gluteus medius

The invention discloses a system for remotely evaluating gluteus medius, which comprises a sensor patch, a computer and a remote terminal, and is characterized in that the sensor patch comprises a skin contact layer, an electrophysiology sensor, a microprocessor, a transceiver and a power supply for supplying power to the sensor patch. The skin contact layer is used for adhering an operable sensor element to the skin and connecting the operable sensor element to the muscle, so that muscle signal data can be measured, the electrophysiology sensor can activate the muscle and collect data of surface electromyogram signals when the muscle is static or contracted, and the data are processed by the microprocessor and sent to the computer through the transceiver; the computer receives data of the surface electromyogram signals and transmits the data to a gluteus medius muscle remote evaluation application program inside the computer, and the application program analyzes and feeds back gluteus ...

BARCODE READING METHOD AND SYSTEM

The present invention provides a barcode reading method and system. The method comprises: acquiring an image signal of a barcode, and converting the image signal into a digital signal; decoding the digital signal into data and repackaging the data into a preset USB HID packet using a preset USB HID extension protocol; unpacking and decoding the preset USB HID packet and displaying same. Compared with the single-byte data transmission means in a standard USB HID protocol, the present method can increase the data transmission speed and increase the speed for reading a barcode.

TEMPERATURE MEASUREMENT SCANNING HEAD AND USING METHOD THEREFOR

A temperature measurement scanning head and a using method therefor. The temperature measurement scanning head comprises a hosing (1). A strobe light (11), an image sensor (12) and a temperature sensor (13) are embedded on an end face of the housing (1). The temperature measurement scanning head maintains the characteristic of a small size of an existing scanning head, implements temperature collection by using a temperature calibration module carried by a high-precision temperature measurement sensor (13), and has the performance for precisely measuring a temperature; accordingly, a user can obtain identify information by just scanning barcode information of measured objects or living things, and then temperatures are measured, and in this way, pieces of the temperature information correspond pieces of the identity information of the measured objects or the living things in a one-to-one manner, thereby ensuring the accuracy of data.

Simulation training method for comprehensive energy practical training

The invention discloses a simulation training method for comprehensive energy practical training. The method comprises the following steps: selecting a pre-stored simulation calculation model to construct a monitoring picture of a training scene; basic parameters of the electrical and comprehensive energy equipment in the monitoring picture of the training scene are used as initial data of the electrical and comprehensive energy equipment in the simulation calculation model; according to a training requirement, selecting an investigated question; and starting a monitoring picture of the training scene, and loading initial data of the electrical and comprehensive energy equipment in the simulation calculation model. Generating corresponding equipment state simulation data and alarm information according to a fault event recorded in the investigated question; and according to the alarm information and the monitoring picture of the training scene, displaying prompt information including positioning ...

Optimization device for preventing scaling of high-salt concentrated water membrane system

The invention discloses an optimization device for preventing scaling of a high-salt concentrated water membrane system, and belongs to the technical field of sewage treatment equipment.The optimization device comprises a box body, a sampling mechanism, a rope, a supporting frame, a metering mechanism, a counting mechanism and a display screen, the sampling mechanism is provided with a first sliding shaft and a sampling assembly, and the sampling assembly is installed in the box body; the metering mechanism is provided with a rope shaft and a measuring assembly, the rope is wound on the outer surface of the rope shaft, the rope shaft is rotatably installed on the supporting frame, the measuring assembly is installed on the supporting frame and connected with the rope, the counting mechanism is provided with a first gear and a metering assembly, the first gear is fixedly connected with the rope shaft, and the metering assembly is installed on the supporting frame. The metering assembly is ...

Arc-shaped rapid winding device of temperature thermocouple for arc wind tunnel experiment

The invention discloses an arc-shaped rapid winding device of a temperature thermocouple for an arc wind tunnel experiment. The arc-shaped rapid winding device comprises a thermocouple bobbin fixer and an arc-shaped winding handle. And a pair of thermocouple spools are placed on the thermocouple spool fixer, and the thermocouples on the two spools are led out in parallel. The arc-shaped winding handle comprises arc-shaped winding end blocks, movable horizontal supporting rods, movable vertical supporting rods and a disc fixing base, one ends of the two movable horizontal supporting rods are movably connected with the disc fixing base, and the other ends of the two movable horizontal supporting rods are fixedly connected to the two arc-shaped winding end blocks; the two arc-shaped winding end blocks are vertically arranged, and the arcs of the two arc-shaped winding end blocks are opposite to each other; the doubled thermocouple is wound on the outer surfaces of the two arc-shaped winding ...

Scanning device and light supplement lamp control method thereof

The invention provides a scanning device and a light supplement lamp control system and method thereof. The scanning device comprises a scanning engine used for collecting images and at least two light supplement lamps used for lighting when the scanning engine collects the images. The light supplement lamp control system comprises a light supplement control unit used for controlling at least two light supplement lamps to emit light; the exposure control unit is used for controlling the exposure time of the scanning engine; the main control unit is connected with the light supplementing control unit and used for controlling the at least two light supplementing lamps to emit light alternately through the light supplementing control unit and controlling the exposure time of the scanning engine to be smaller than the single-time light emitting time of the light supplementing lamps through the exposure control unit. The plurality of indicating lamps which emit light alternately irradiate the ...