333 results about "Electronic instruments" patented technology

The invention relates to the technical field of face recognition, and discloses a face recognition method and system suitable for an outdoor electronic instrument to solve the problem of low recognition precision under complex illumination, posture change and shielding conditions in the prior art, and the method comprises the steps: S1, collecting image data, and carrying out the preprocessing; s2, performing face region detection and face key point positioning on the illumination enhanced image; s3, performing affine transformation based on the face detection result set to perform face alignment; s4, extracting a face feature vector based on a ResNet100 structure; s5, performing attitude-guided feature reconstruction processing on the face feature vector to obtain an attitude-enhanced face feature vector; s6, performing feature normalization and identity classification on the posture-enhanced face feature vector, and outputting a face recognition result; and S7, outputting a final identity recognition result and confidence. According to the method, an efficient and scientific optimization scheme can be provided in outdoor face recognition, and remarkable technical values and economic benefits are brought to practical application.

The invention relates to the technical field of electronic instrument panel assembling equipment, and discloses combined electronic instrument panel assembling equipment which comprises a base, the bottom end of the base is fixedly connected with two sets of anti-skid feet in bilateral symmetry, the top end of the base is fixedly connected with a set of supporting plates in bilateral symmetry, and guide rods are fixedly connected into the top ends of the supporting plates; and the opposite sides of the guide rods are movably connected with movable plates, the outer walls of the movable plates are movably connected with guide rails, the top ends of the guide rails are fixedly connected with electric push rods, and the bottom ends of the electric push rods are fixedly connected with assemblers. And then a gear ring drives a lifting rod on a rotating rod to move upwards through a gear, so that the height of a top plate and the height of an auxiliary mechanism at the top end are adjusted, the auxiliary mechanism can be tightly attached to the bottom end of the instrument panel, and the situation that when the instrument panel is assembled, the force is too large, and consequently the instrument panel deforms is prevented.

The invention relates to the technical field of power distribution cabinet protection, and discloses a high-low voltage power distribution cabinet with a protection function and a use method thereof.The high-low voltage power distribution cabinet comprises a shell mechanism, the shell mechanism further comprises a base, and a fixed square pipe is fixedly connected to the top of the base. The piston plate is driven to slide downwards along the inner wall of the fixed square pipe, the space inside the electric box shell and above the piston plate is a closed environment, when the piston plate moves downwards, the space of the closed environment is increased, but internal gas is not changed, the environment is forced to form a low-pressure environment, and when normal air pressure is converted into the low-pressure environment, the low-pressure environment is not changed. Through the application of the components, the overall temperature in the base is synchronously reduced when the outside is cooled in rainy days, so that the temperature of air inside and outside the base is in a level state, the temperature difference between the inside and outside of the base is reduced, and the situation that small water drops are generated in the base, and the service life of internal electronic instruments is affected is avoided.

An electronic instrument includes a casing, a controller having multiple operation elements provided in connection with the casing and aligned in a left-right direction of the casing, a sound emitting unit including a low-pitched sound emitting unit provided on a first side in the left-right direction in the casing and configured to emit a low-pitched sound and a high-pitched sound emitting unit provided on a second side in the left-right direction in the casing and configured to emit a high-pitched sound, and a reflection unit having a reflection surface configured to reflect a sound and provided between the low-pitched sound emitting unit and the high-pitched sound emitting unit in the casing, and the reflection unit is configured such that the reflection surface is inclined towards the high-pitched sound emitting unit with respect to the left-right direction.

A rear panel, which is an external member, includes a frame portion including multiple sound radiation holes including a first sound radiation hole, a second sound radiation hole, and a third sound radiation hole. A first sloping portion is disposed within an area of the first sound radiation hole and is inclined with respect to a thickness direction of the frame portion towards a first direction non-parallel to the thickness direction, and a second sloping portion is disposed within an area of the second sound radiation hole and is inclined with respect to the thickness direction of the frame portion towards a second direction different from the first direction and non-parallel to the thickness direction, and the third sound radiation hole includes a surface parallel to the thickness direction of the frame portion.

A cooling apparatus (100) cools a heat-generating instrument, such as an electronic instrument (2), installed in an installation apparatus. The cooling apparatus (100) includes a refrigerant flow path configured circularly by sequentially connecting a pump (1) that circulates a refrigerant in a liquid state, a cooler (3) that cools the heat-generating instrument with the refrigerant, and a radiator (5) that cools the refrigerant. The cooling apparatus (100) includes a discharge-side heat exchanger (7) provided in a flow path from the pump (1) to the cooler (3) in the refrigerant flow path, a suction-side heat exchanger (8) provided in a flow path from the radiator (5) to the pump (1) in the refrigerant flow path, and a Peltier device (9) that is provided between the discharge-side heat exchanger (7) and the suction-side heat exchanger (8), and transfers heat from the refrigerant flowing through the suction-side heat exchanger (8) to the refrigerant flowing through the discharge-side heat exchanger (7).

The utility model belongs to the field of medical equipment and electronic instruments, and discloses a multifunctional touch screen panel with a shuttle controller, which comprises a panel shell, a touch screen panel is arranged on the panel shell, and the touch screen panel provides a human-computer interaction interface for touch operation; a main control board is arranged in the panel shell and is connected with the touch screen panel; and a shuttle flying knob is arranged on one side of the touch screen panel, is connected with the main control panel and is used for mechanically operating a human-computer interaction interface of the touch screen panel. The shuttle flying knob is integrated on the touch screen panel, the man-machine interaction interface design and the shuttle flying knob operation are superposed and are independent from each other, so that the shuttle flying knob can be immediately selected for the medical instrument when the touch function fails in emergency, accidents caused by touch screen faults are effectively avoided, and the safety of the medical instrument is remarkably improved; and when the two are combined for use, the operation is more efficient and convenient, and the quality and efficiency of medical instruments and medical services are remarkably improved.

This disclosure relates generally to electronic musical instruments, systems, and methods. More particularly, this disclosure relates to electronic percussion instruments such as tom toms, snare drums, bass drums, cymbals, and hi-hats, and assemblies of instruments (e.g., percussion instruments), such as drum sets. Even more particularly, this disclosure relates to wireless electronic percussion instruments, and percussion instruments with interchangeable and / or removable components to change the instrument between a traditional percussion instrument (that relies on resonance and / or vibration to produce sound) and an electronic percussion instrument. The present disclosure also relates to electronic cymbal instruments, such as cymbal assemblies and hi-hat assemblies, that can be used in conjunction with a traditional acoustic metal cymbal.

The invention relates to the technical field of instrument panel testing, in particular to an electronic instrument panel automatic testing device and a method thereof.The electronic instrument panel automatic testing device comprises a bottom plate, adjusting grooves are symmetrically formed in the middle of the upper end face of the bottom plate, and the two adjusting grooves are each provided with a containing unit used for containing an instrument panel during testing; annular grooves formed in the bottom plate are formed in the exteriors of the two adjusting grooves, the containing unit comprises outer cylinders which are slidably installed in the adjusting grooves, inner cylinders are arranged in the outer cylinders in a sleeved mode, impact assemblies are jointly installed between the inner cylinders and the outer cylinders, and a motor is started to drive extrusion rollers to rotate so that the extrusion rollers can rotate and extrude the side wall of the instrument panel. Rotary extrusion is adopted, the situation that an instrument panel is damaged due to the fact that impact force borne by the side wall of the instrument panel is too large due to direct pushing extrusion can be effectively avoided, an electric sliding block is started to drive a rectangular box to rotate in an annular groove, and the side wall of the instrument panel can be subjected to sufficient and comprehensive extrusion testing.

Systems and methods for identifying a status of components of hydraulic fracturing units including a prime mover and a hydraulic fracturing pump to pump fracturing fluid into a wellhead via a manifold may include a diagnostic control assembly. The diagnostic control assembly may include sensors associated with the hydraulic fracturing units or the manifold, and a supervisory control unit to determine whether the sensors are generating signals outside a calibration range, determine whether a fluid parameter associated with an auxiliary system of the hydraulic fracturing units is indicative of a fluid-related problem, determine whether lubrication associated with the prime mover, the hydraulic fracturing pump, or a transmission of the hydraulic fracturing units has a lubrication fluid temperature greater than a maximum lubrication temperature, or determine an extent to which a heat exchanger assembly associated with the hydraulic fracturing units is cooling fluid passing through the heat exchanger assembly.

An electronic instrument includes a casing, at least one performance element on the casing, a sound emitting unit inside the casing, and a cover unit configured to be accommodated between the performance element and the sound emitting unit inside the casing by being pushed into and pulled out of the casing and to cover the performance element with the cover unit pulled out of the casing, and an interior of the casing is divided by the cover unit into a first space where the performance element is disposed and a second space where the sound emitting unit is disposed with the cover unit accommodated inside the casing, and a recess is provided on a plate surface lying near the cover unit inside the casing in such a manner as to straddle the first space and the second space.

The utility model provides kiln flue gas treatment equipment, which relates to the technical field of flue gas treatment and comprises an airflow acceleration component, a gas inlet pipeline and a gas outlet pipeline, one end of the connecting pipeline is fixedly connected with the other end of the first supporting pipe seat, and the other end is fixedly connected with the air outlet pipeline; the gas treatment assembly is fixedly connected with the inner wall of the connecting pipeline, and one end is connected with the other end of the airflow acceleration assembly; the recovery assembly is fixedly connected with the other end of the connecting pipeline. According to the utility model, air pressure difference can be formed in a pipeline through the airflow acceleration assembly, the transmission rate of smoke can be accelerated, the influence of high temperature of the smoke on an electronic instrument can be greatly avoided, then the smoke can be retreated through the gas treatment assembly, and a catalytic solution can be flexibly adjusted, so that the treatment of the smoke can be assisted; harmful impurities in smoke are reduced, and the smoke is prevented from polluting the environment.

The present application relates to the field of health recovery training equipment, and particularly relates to a kind of oral cavity maxillofacial temporomandibular joint rehabilitation training instrument.The present application relates to a kind of oral cavity maxillofacial temporomandibular joint rehabilitation training instrument, mainly through fixed block, connecting belt, mounting block and upper dental brace to be set and fixed on the head of human body, rely on control motor to drive winding wheel to carry out different step or synchronous reciprocating action to lower pull rope, realize control lower dental brace to pull lower row of teeth to carry out left and right movement training and front and back movement training of temporomandibular joint, additionally can carry out occlusal movement training of temporomandibular joint, carry out a variety of training actions on temporomandibular joint by electronic instrument equipment according to the program formulated by therapist, on the basis of guaranteeing training effectiveness, reasonably control intensity to reduce the risk of joint injury, overcome the technical problem that intensity is not easy to control when manually pulling dental brace to control temporomandibular joint movement, easy to use excessive force to damage temporomandibular joint.

The invention relates to terpene resin with controllable molecular weight and a preparation method thereof. The preparation method of the terpene resin with the controllable molecular weight comprises the following steps: mixing beta-pinene with ethylene glycol to obtain a mixture; uniformly mixing the toluene and the catalyst at-5 to 5 DEG C; dropwise adding the mixture, and keeping the temperature at 5-10 DEG C for 1-3 hours; removing the catalyst; the mass ratio of methylbenzene to beta-pinene is (1-1.15): 1, the use amount of the catalyst is 3.5-5% of the mass of beta-pinene, and the use amount of ethylene glycol is 0.04-0.07% of the mass of beta-pinene. According to the invention, accurate control of the molecular weight of the terpene resin can be realized, a terpene resin product with stable performance can be prepared, and high-standard requirements of a sanitary adhesive tape on viscosity and aging resistance and performance, such as accurate and stable performance operation of an aviation electronic adhesive tape in an aviation electronic instrument, can be met; and the application range in high-end application occasions such as medical treatment, food, aviation and the like is widened.

The invention discloses a circuit breaker transmission test protection analyzer and a working method thereof, and relates to the technical field of electronic instruments.The circuit breaker transmission test protection analyzer comprises a shell, a Hall sensor, a processing module, a protection module and a display screen are arranged in the shell, the input end of the Hall sensor is connected with a circuit breaker opening and closing loop, and the output end of the Hall sensor is connected with the processing module; the processing module is connected with the protection module which is connected with the circuit breaker opening and closing loop, and the processing module is connected with the display screen. The device is mainly applied to the transmission test of the high-voltage circuit breaker, the tripping and closing coil of the circuit breaker is protected and analyzed, and the tripping and closing coil of the circuit breaker is convenient to overhaul, maintain and replace.

The electronic musical instrument 4 includes a first cymbal 11 that contains a metal. The first cymbal 11 is conductive. Furthermore, the electronic musical instrument 4 includes a capacitance-type touch sensor 43, and the first cymbal 11 is used as a touch electrode of the touch sensor 43. Therefore, when a performer having capacitance touches the first cymbal 11, the ground-to-ground capacitance of the first cymbal 11 changes, and a signal corresponding to this change in ground-to-ground capacitance is output from the touch sensor 43. Therefore, when a performer touches the first cymbal 11 in the same way as when muting a conventional cymbal, a signal indicating mute can be output from the touch sensor 43.

The invention relates to the technical field of electronic musical instruments, in particular to an intelligent guitar which comprises a neck module, a body module, a connecting module, a sounding module and a driving lever module, the neck module is connected with the body module through the connecting module, the sounding module is arranged in the body module, the driving lever module is arranged on the body module, and the driving lever module is connected with the neck module through the connecting module. The guitar neck module is arranged on the guitar body; a control module and a power supply module are arranged in the guitar body module, the power supply module is electrically connected with the control module, and the control module is electrically connected with the guitar neck module, the sound production module and the driving lever module. Through precise combination of the guitar neck module, the guitar body module, the connection module, the sound production module and the driving lever module, modular design of the guitar structure is realized. The manufacturing flexibility and the personalized customization potential are greatly improved, and the diversified requirements of different users for the performance and appearance of the guitar are met.

The invention discloses a high-steel-grade large-drift-diameter heat insulation drill rod and a preparation method thereof, and relates to the technical field of drilling tools. The high-steel-grade large-drift-diameter heat insulation drill rod comprises a pipe body; the inner wall of the drill rod is coated with a heat insulation layer, the thickness of the heat insulation layer is 1.0-3.0 mm, and the heat insulation layer is made of modified fluorosilicone resin; the modified fluorosilicone resin is uniformly coated and cured on the inner wall of the drill rod, so that the overall heat conductivity coefficient of the drill rod is effectively reduced, the transmission speed of the formation temperature to the interior of the drill rod is reduced, the underground environment temperature is reduced, the use requirements of underground electronic instruments and the like are met, and the performance of drilling fluid is guaranteed; meanwhile, an inner hole of the drill rod is large, the inner diameter of the drill rod is not changed greatly after the drill rod is coated with a heat insulation coating with a certain thickness, large pumping resistance cannot be generated, and the requirement that a logging tool is tripped into a well bottom through the interior of the drill rod can be met.

The present invention relates to the technical field of automobile electronic instrument panel pointer assembly, and specifically to an automobile electronic instrument panel pointer assembly device and method thereof. The present invention comprises a machine base, wherein a positioning frame is fixedly connected to the upper end of the machine base, a positioning component for positioning the instrument panel is arranged inside the positioning frame, an assembly component for installing the pointer is fixedly connected to a position of the machine base located on one side of the positioning frame, the assembly component is driven and cooperated with the positioning component, the positioning component comprises an inner clamping component and an outer supporting component, and both the inner clamping component and the outer supporting component are rotatably connected in the positioning frame; the assembly component is used to lower the pointer to the instrument panel, the single-sided rack drives the driving component to rotate, and drives the inner clamping component and the outer supporting component to run simultaneously, so as to correct and position the instrument panel; when the assembly component is lowered to assemble the pointer of the instrument panel, the inner clamping component and the outer supporting component position and install the instrument panel, and the correction, positioning and assembly are performed simultaneously, so as to improve the assembly efficiency of the instrument panel pointer.

The utility model provides a button assembly of an electronic instrument. The button assembly comprises a housing, a button body, a silica gel button and a circuit board. The button body is assembled in the shell, and the silica gel button is assembled between the shell and the circuit board; the lower part of the silica gel button is provided with a circle of elastic wall, and the bottom is provided with a conductive particle layer. When the button body is pressed, the elastic wall deforms downwards, so that the conductive particle layer is in contact with the circuit board, and the circuit is conducted at the moment; when the button body is loosened, the elastic wall rebounds upwards to support the button body, so that the conductive particle layer is separated from the circuit board, and the circuit is disconnected at the moment. The button assembly does not fall off after being matched with the shell through the elastic stop block of the button body, the function of connection and disconnection with the circuit board is achieved through the elastic wall and the conductive particles of the silica gel button, additional welding devices are not needed, the assembly efficiency is high, and the machining cost is low.

The utility model provides a liquid phase mass spectrometer with a correction liquid storage structure, and belongs to the technical field of electronic instruments. The liquid phase mass spectrometer with the correction liquid storage structure comprises a liquid phase mass spectrometer body, the liquid phase mass spectrometer body comprises a drawing storage cabinet, a clamping supporting frame, an auxiliary supporting block, a clamping block, a containing disc and a pressing block, and a bottle containing used correction liquid is placed on the surface of the containing disc after being sealed; after the electrifying head is in contact with the connecting base, the electromagnet is electrified to generate magnetic force, and the electromagnet adsorbs the metal head, so that the clamping block drives the rubber buffer block to extrude the bottle body of the correction liquid, the bottle of the correction liquid is convenient to fix, and the correction liquid bottle with harmful substances is prevented from falling down and being broken after the liquid phase mass spectrometer vibrates or is impacted in the storage process.

The application relates to the field of impact dynamics tests, and particularly discloses an electronic instrument high-g-value impact characteristic test evaluation device and method. The device comprises an adapting section, a pulse shaper, and a base. The adapting section is coaxially connected with the tail of a high-speed gas gun launch tube to form a radially constrained loading channel and is movably connected with an impact mass. The pulse shaper is arranged in the adapting section. The base is slidably connected in the adapting section and located behind the pulse shaper, and is used for bearing the load transmitted by the impact mass when the impact mass hits the pulse shaper. The base has a front cavity and a rear cavity, and the rear cavity contains a measuring body. A diaphragm pressure gauge is arranged on the front end impact surface of the base, a base accelerometer is arranged in the front cavity, and a multi-parameter sensor is arranged in the measuring body. The device can accurately obtain an excitation load, realize distributed synchronous measurement of multiple physical quantities, has reliable signal line protection and kinetic energy absorption mechanism, and improves the accuracy and reliability of performance evaluation of electronic instruments and protective components of the electronic instruments under a high-g-value impact environment.

An operation display apparatus includes a substrate, a metallic sheet comprising a plate section with an opening, and multiple legs configured to support the plate section on the substrate, and a light source provided on the substrate in such a manner as to correspond to the opening, wherein the multiple legs are bent from an opening edge of the opening towards a side facing the substrate.

Disclosed are systems and methods for generating electronic instruments that implement digital transfers. The systems convert instruments to an electronic format using a digital imaging source that outputs image data. The image data is processed to determine content elements and segments of the electronic instrument and to extract transfer data. Neural networks implement artificial intelligence and machine learning technology that is used to secure the transfer instrument and detect inconsistencies or errors in the data.

A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and at least one organic compound represented by Formula 1 and satisfying at least one selected from among Condition 1 and Condition 2:Condition 1at least one selected from among R6 to R9 is a C6-C60 aryl group unsubstituted or substituted with at least one R10a or a C1-C60 heteroaryl group unsubstituted or substituted with at least one R10a Condition 2R8 and R9 are bonded to each other to form a C3-C60 carbocyclic group or a C1-C60 heterocyclic group.

The present disclosure relates to an information processing device and method which make it possible to suppress a reduction in coding efficiency. The method includes: using a first coordinate set, which is a set of coordinates of points forming a point cloud, a first feature quantity set, which is a set of feature quantities of the coordinates, and a guide surface, which is a reference surface formed in a three-dimensional space, to derive a guide surface feature quantity, which is a feature quantity based on a positional relationship between the guide surface and the points; performing a predetermined calculation using the first coordinate set and the first feature quantity set reflecting the guide surface feature quantity to derive a second coordinate set and a second feature quantity set; encoding the derived second coordinate set; and encoding the derived second feature quantity set. The present disclosure is applicable, for example, to information processing devices, electronic instruments, information processing methods and programs.

The application discloses a blade and a horizontal shaft tidal current power generator, wherein the blade comprises a main blade, a supporting piece, a spoiler and a damping piece; the supporting piece is provided with a first mounting end and a connecting shaft connected with the first mounting end; the first mounting end is connected with the main blade; the spoiler is sleeved on the outer periphery of the connecting shaft; one end of the damping piece is adapted to be connected with the main blade; the other end of the damping piece is adapted to be connected with the spoiler; when the load borne by the spoiler changes, the spoiler rotates around the connecting shaft to change the included angle between the spoiler and the main blade; the damping piece generates a corresponding damping force, which is used for limiting the spoiler; the spoiler can realize passive variable pitch according to different loads, and does not need to use flow measuring equipment and active variable pitch equipment, thereby avoiding the influence of errors and faults of the flow measuring equipment and the active variable pitch equipment; and since the spoiler adopts mechanical passive variable pitch, various electronic instruments are not needed to participate in variable pitch, and the influence of the marine environment on the blade is reduced.

An electronic instrument includes a casing, a controller aligned in a left-right direction and extending in a front-back direction of the casing, a sound emitting unit within the casing, and a perforated unit having a wall along the left-right direction, a first sloping hole sloping from an inside towards an outside of the casing at an acute angle to the front-back direction in the wall, and a second sloping hole sloping from the inside towards the outside of the casing at a larger acute angle with respect to the front-back direction than the acute angle at which the first sloping hole slopes, and the perforated unit includes multiple first sloping regions having the first sloping hole and multiple second sloping regions having the second sloping hole, and the first and second sloping regions are disposed adjacent to each other, and provided along the left-right direction.

1. The name of this design product: Power Supply (Full Width 2U). 2. Purpose of this design product: This design product is used in the field of electronic instruments. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. Designate Design 1 as the base design.

The utility model relates to the technical field of electronic instruments and meters, and discloses a flow data acquisition controller which comprises a control unit and an intermediate connection unit, and the control unit is connected with a tested device through the intermediate connection unit. The intermediate connection unit comprises a power supply module, an isolation module, a power supply conversion module and an analog quantity acquisition module; the power supply conversion module is connected with the analog quantity acquisition module; the power supply module is respectively connected with the isolation module, the power supply conversion module and the analog quantity acquisition module; the control unit is connected with the isolation module, the power supply conversion module and the analog quantity acquisition module. According to the utility model, the flow data of the gas industry can be collected, the adaptability is high, and the flow meter can be adapted to most common flow meters in the current market; the power supply and communication are isolated, so that the stability of the product is improved; when abnormal conditions occur, the pipeline can be cut off in time, and safety is improved.